Forest plots: trying to see the wood and the trees

Dr Shock
April 23, 2007
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I am writing a systematic review about antidepressants. For this I need a “forest plot”. Found a nice and comprehensive article in the BMJ.
In short this what a “forest plot” is:
Forest plots show the information from the individual studies that went into the meta-analysis at a glance
They show the amount of variation between the studies and an estimate of the overall result.
And here is link with a spreadsheet to make a forest plot in excel:
www.evidencias.com/forest01.xls

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8 Responses to “Forest plots: trying to see the wood and the trees”

  1. Dear Dr. Shock,

    My name is Ioannis Kareklas and I am a PhD student at the University of Connecticut. I am working on a meta-analysis of racial similarity effects in advertising and would love to get a copy of your spreadsheet to make forest plots in excel

    Unfortunately, the link posted on this website is not working.
    I would greatly appreciate it if you send me a working link or e-mail me the file @ ioanniskareklas@gmail.com.

    Thank you.

    2. Ioannis Kareklas on April 10th, 2009 at 8:47 pm

  2. Dear Dr. Shock,

    I saw your message about the forest plot and just as Ioannis Kareklas I tried to get the spreasheet from excel, but the link (still) didn’t work. So maybe you could also email me a working link or email the file? That would be fantastic!

    My emailadress is iammarthe@hotmail.com

    Thank you.
    Yours sincerely,
    Marthe Kok.

    3. Marthe Kok on May 22nd, 2009 at 3:38 pm

  3. Dear Dr Shock

    Yes me too! I am using a meta-analytic approach to setting an audit standard for an intensive treatment programme for obsessive-compulsive disorder. I can make a high-low stock graph in MS-Excel but it is vertical when it really needs to be horizontal my e-mail is: james.tighe1@btopenworld.com

    I’d be greatful for any help.

    4. James Tighe on July 2nd, 2009 at 6:20 pm

  4. Dear Dr. Shock,
    We are trying to creat a forrest plot but the link doesn’t work.
    Could you sent it to my email: g.w.d.landman@isala.nl
    Thank you,
    G.W.D.Landman-MD-resident internal medicine isala clinics Zwolle, the Netherlands

    5. Gijs Landman on July 30th, 2009 at 10:05 am

  5. Dr. Shock,

    I will echo the comments prior to my own. Could you please send the file for the forest plot to my email at apnijjar@gmail.com.

    Regards,
    Aman

    6. Aman Nijjar on November 5th, 2009 at 11:47 pm

  6. Dr. Shock,

    I am able to make a vertical but not a horizontal forest plot in excel. Could you also send me the link for creating forest plots in excel? Thank you!

    7. anasooya on October 10th, 2010 at 5:39 pm

  7. Hi Dr. Shock,

    I’m also interested in the excel file. Would you by chance still have it?

    Anthony

    8. Anthony Tsai on March 27th, 2011 at 11:45 pm

  8. Again, we are also looking for an option to create the above mentioned forest plot.
    Muchas Gracias,
    Christian

    9. Christian Apfel on August 3rd, 2011 at 1:52 am

  1. Dear Dr. Shock,

    My name is Ioannis Kareklas and I am a PhD student at the University of Connecticut. I am working on a meta-analysis of racial similarity effects in advertising and would love to get a copy of your spreadsheet to make forest plots in excel

    Unfortunately, the link posted on this website is not working.
    I would greatly appreciate it if you send me a working link or e-mail me the file @ ioanniskareklas@gmail.com.

    Thank you.

    2. Ioannis Kareklas on April 10th, 2009 at 8:47 pm

  2. Dear Dr. Shock,

    I saw your message about the forest plot and just as Ioannis Kareklas I tried to get the spreasheet from excel, but the link (still) didn’t work. So maybe you could also email me a working link or email the file? That would be fantastic!

    My emailadress is iammarthe@hotmail.com

    Thank you.
    Yours sincerely,
    Marthe Kok.

    3. Marthe Kok on May 22nd, 2009 at 3:38 pm

  3. Dear Dr Shock

    Yes me too! I am using a meta-analytic approach to setting an audit standard for an intensive treatment programme for obsessive-compulsive disorder. I can make a high-low stock graph in MS-Excel but it is vertical when it really needs to be horizontal my e-mail is: james.tighe1@btopenworld.com

    I’d be greatful for any help.

    4. James Tighe on July 2nd, 2009 at 6:20 pm

  4. Dear Dr. Shock,
    We are trying to creat a forrest plot but the link doesn’t work.
    Could you sent it to my email: g.w.d.landman@isala.nl
    Thank you,
    G.W.D.Landman-MD-resident internal medicine isala clinics Zwolle, the Netherlands

    5. Gijs Landman on July 30th, 2009 at 10:05 am

  5. Dr. Shock,

    I will echo the comments prior to my own. Could you please send the file for the forest plot to my email at apnijjar@gmail.com.

    Regards,
    Aman

    6. Aman Nijjar on November 5th, 2009 at 11:47 pm

  6. Dr. Shock,

    I am able to make a vertical but not a horizontal forest plot in excel. Could you also send me the link for creating forest plots in excel? Thank you!

    7. anasooya on October 10th, 2010 at 5:39 pm

  7. Hi Dr. Shock,

    I’m also interested in the excel file. Would you by chance still have it?

    Anthony

    8. Anthony Tsai on March 27th, 2011 at 11:45 pm

  8. Again, we are also looking for an option to create the above mentioned forest plot.
    Muchas Gracias,
    Christian

    9. Christian Apfel on August 3rd, 2011 at 1:52 am

  1. Dear Dr. Shock,

    My name is Ioannis Kareklas and I am a PhD student at the University of Connecticut. I am working on a meta-analysis of racial similarity effects in advertising and would love to get a copy of your spreadsheet to make forest plots in excel

    Unfortunately, the link posted on this website is not working.
    I would greatly appreciate it if you send me a working link or e-mail me the file @ ioanniskareklas@gmail.com.

    Thank you.

    2. Ioannis Kareklas on April 10th, 2009 at 8:47 pm

  2. Dear Dr. Shock,

    I saw your message about the forest plot and just as Ioannis Kareklas I tried to get the spreasheet from excel, but the link (still) didn’t work. So maybe you could also email me a working link or email the file? That would be fantastic!

    My emailadress is iammarthe@hotmail.com

    Thank you.
    Yours sincerely,
    Marthe Kok.

    3. Marthe Kok on May 22nd, 2009 at 3:38 pm

  3. Dear Dr Shock

    Yes me too! I am using a meta-analytic approach to setting an audit standard for an intensive treatment programme for obsessive-compulsive disorder. I can make a high-low stock graph in MS-Excel but it is vertical when it really needs to be horizontal my e-mail is: james.tighe1@btopenworld.com

    I’d be greatful for any help.

    4. James Tighe on July 2nd, 2009 at 6:20 pm

  4. Dear Dr. Shock,
    We are trying to creat a forrest plot but the link doesn’t work.
    Could you sent it to my email: g.w.d.landman@isala.nl
    Thank you,
    G.W.D.Landman-MD-resident internal medicine isala clinics Zwolle, the Netherlands

    5. Gijs Landman on July 30th, 2009 at 10:05 am

  5. Dr. Shock,

    I will echo the comments prior to my own. Could you please send the file for the forest plot to my email at apnijjar@gmail.com.

    Regards,
    Aman

    6. Aman Nijjar on November 5th, 2009 at 11:47 pm

  6. Dr. Shock,

    I am able to make a vertical but not a horizontal forest plot in excel. Could you also send me the link for creating forest plots in excel? Thank you!

    7. anasooya on October 10th, 2010 at 5:39 pm

  7. Hi Dr. Shock,

    I’m also interested in the excel file. Would you by chance still have it?

    Anthony

    8. Anthony Tsai on March 27th, 2011 at 11:45 pm

  8. Again, we are also looking for an option to create the above mentioned forest plot.
    Muchas Gracias,
    Christian

    9. Christian Apfel on August 3rd, 2011 at 1:52 am

  1. Dear Dr. Shock,

    My name is Ioannis Kareklas and I am a PhD student at the University of Connecticut. I am working on a meta-analysis of racial similarity effects in advertising and would love to get a copy of your spreadsheet to make forest plots in excel

    Unfortunately, the link posted on this website is not working.
    I would greatly appreciate it if you send me a working link or e-mail me the file @ ioanniskareklas@gmail.com.

    Thank you.

    2. Ioannis Kareklas on April 10th, 2009 at 8:47 pm

  2. Dear Dr. Shock,

    I saw your message about the forest plot and just as Ioannis Kareklas I tried to get the spreasheet from excel, but the link (still) didn’t work. So maybe you could also email me a working link or email the file? That would be fantastic!

    My emailadress is iammarthe@hotmail.com

    Thank you.
    Yours sincerely,
    Marthe Kok.

    3. Marthe Kok on May 22nd, 2009 at 3:38 pm

  3. Dear Dr Shock

    Yes me too! I am using a meta-analytic approach to setting an audit standard for an intensive treatment programme for obsessive-compulsive disorder. I can make a high-low stock graph in MS-Excel but it is vertical when it really needs to be horizontal my e-mail is: james.tighe1@btopenworld.com

    I’d be greatful for any help.

    4. James Tighe on July 2nd, 2009 at 6:20 pm

  4. Dear Dr. Shock,
    We are trying to creat a forrest plot but the link doesn’t work.
    Could you sent it to my email: g.w.d.landman@isala.nl
    Thank you,
    G.W.D.Landman-MD-resident internal medicine isala clinics Zwolle, the Netherlands

    5. Gijs Landman on July 30th, 2009 at 10:05 am

  5. Dr. Shock,

    I will echo the comments prior to my own. Could you please send the file for the forest plot to my email at apnijjar@gmail.com.

    Regards,
    Aman

    6. Aman Nijjar on November 5th, 2009 at 11:47 pm

  6. Dr. Shock,

    I am able to make a vertical but not a horizontal forest plot in excel. Could you also send me the link for creating forest plots in excel? Thank you!

    7. anasooya on October 10th, 2010 at 5:39 pm

  7. Hi Dr. Shock,

    I’m also interested in the excel file. Would you by chance still have it?

    Anthony

    8. Anthony Tsai on March 27th, 2011 at 11:45 pm

  8. Again, we are also looking for an option to create the above mentioned forest plot.
    Muchas Gracias,
    Christian

    9. Christian Apfel on August 3rd, 2011 at 1:52 am

  1. Dear Dr. Shock,

    My name is Ioannis Kareklas and I am a PhD student at the University of Connecticut. I am working on a meta-analysis of racial similarity effects in advertising and would love to get a copy of your spreadsheet to make forest plots in excel

    Unfortunately, the link posted on this website is not working.
    I would greatly appreciate it if you send me a working link or e-mail me the file @ ioanniskareklas@gmail.com.

    Thank you.

    2. Ioannis Kareklas on April 10th, 2009 at 8:47 pm

  2. Dear Dr. Shock,

    I saw your message about the forest plot and just as Ioannis Kareklas I tried to get the spreasheet from excel, but the link (still) didn’t work. So maybe you could also email me a working link or email the file? That would be fantastic!

    My emailadress is iammarthe@hotmail.com

    Thank you.
    Yours sincerely,
    Marthe Kok.

    3. Marthe Kok on May 22nd, 2009 at 3:38 pm

  3. Dear Dr Shock

    Yes me too! I am using a meta-analytic approach to setting an audit standard for an intensive treatment programme for obsessive-compulsive disorder. I can make a high-low stock graph in MS-Excel but it is vertical when it really needs to be horizontal my e-mail is: james.tighe1@btopenworld.com

    I’d be greatful for any help.

    4. James Tighe on July 2nd, 2009 at 6:20 pm

  4. Dear Dr. Shock,
    We are trying to creat a forrest plot but the link doesn’t work.
    Could you sent it to my email: g.w.d.landman@isala.nl
    Thank you,
    G.W.D.Landman-MD-resident internal medicine isala clinics Zwolle, the Netherlands

    5. Gijs Landman on July 30th, 2009 at 10:05 am

  5. Dr. Shock,

    I will echo the comments prior to my own. Could you please send the file for the forest plot to my email at apnijjar@gmail.com.

    Regards,
    Aman

    6. Aman Nijjar on November 5th, 2009 at 11:47 pm

  6. Dr. Shock,

    I am able to make a vertical but not a horizontal forest plot in excel. Could you also send me the link for creating forest plots in excel? Thank you!

    7. anasooya on October 10th, 2010 at 5:39 pm

  7. Hi Dr. Shock,

    I’m also interested in the excel file. Would you by chance still have it?

    Anthony

    8. Anthony Tsai on March 27th, 2011 at 11:45 pm

  8. Again, we are also looking for an option to create the above mentioned forest plot.
    Muchas Gracias,
    Christian

    9. Christian Apfel on August 3rd, 2011 at 1:52 am

  1. Dear Dr. Shock,

    My name is Ioannis Kareklas and I am a PhD student at the University of Connecticut. I am working on a meta-analysis of racial similarity effects in advertising and would love to get a copy of your spreadsheet to make forest plots in excel

    Unfortunately, the link posted on this website is not working.
    I would greatly appreciate it if you send me a working link or e-mail me the file @ ioanniskareklas@gmail.com.

    Thank you.

    2. Ioannis Kareklas on April 10th, 2009 at 8:47 pm

  2. Dear Dr. Shock,

    I saw your message about the forest plot and just as Ioannis Kareklas I tried to get the spreasheet from excel, but the link (still) didn’t work. So maybe you could also email me a working link or email the file? That would be fantastic!

    My emailadress is iammarthe@hotmail.com

    Thank you.
    Yours sincerely,
    Marthe Kok.

    3. Marthe Kok on May 22nd, 2009 at 3:38 pm

  3. Dear Dr Shock

    Yes me too! I am using a meta-analytic approach to setting an audit standard for an intensive treatment programme for obsessive-compulsive disorder. I can make a high-low stock graph in MS-Excel but it is vertical when it really needs to be horizontal my e-mail is: james.tighe1@btopenworld.com

    I’d be greatful for any help.

    4. James Tighe on July 2nd, 2009 at 6:20 pm

  4. Dear Dr. Shock,
    We are trying to creat a forrest plot but the link doesn’t work.
    Could you sent it to my email: g.w.d.landman@isala.nl
    Thank you,
    G.W.D.Landman-MD-resident internal medicine isala clinics Zwolle, the Netherlands

    5. Gijs Landman on July 30th, 2009 at 10:05 am

  5. Dr. Shock,

    I will echo the comments prior to my own. Could you please send the file for the forest plot to my email at apnijjar@gmail.com.

    Regards,
    Aman

    6. Aman Nijjar on November 5th, 2009 at 11:47 pm

  6. Dr. Shock,

    I am able to make a vertical but not a horizontal forest plot in excel. Could you also send me the link for creating forest plots in excel? Thank you!

    7. anasooya on October 10th, 2010 at 5:39 pm

  7. Hi Dr. Shock,

    I’m also interested in the excel file. Would you by chance still have it?

    Anthony

    8. Anthony Tsai on March 27th, 2011 at 11:45 pm

  8. Again, we are also looking for an option to create the above mentioned forest plot.
    Muchas Gracias,
    Christian

    9. Christian Apfel on August 3rd, 2011 at 1:52 am

  1. Dear Dr. Shock,

    My name is Ioannis Kareklas and I am a PhD student at the University of Connecticut. I am working on a meta-analysis of racial similarity effects in advertising and would love to get a copy of your spreadsheet to make forest plots in excel

    Unfortunately, the link posted on this website is not working.
    I would greatly appreciate it if you send me a working link or e-mail me the file @ ioanniskareklas@gmail.com.

    Thank you.

    2. Ioannis Kareklas on April 10th, 2009 at 8:47 pm

  2. Dear Dr. Shock,

    I saw your message about the forest plot and just as Ioannis Kareklas I tried to get the spreasheet from excel, but the link (still) didn’t work. So maybe you could also email me a working link or email the file? That would be fantastic!

    My emailadress is iammarthe@hotmail.com

    Thank you.
    Yours sincerely,
    Marthe Kok.

    3. Marthe Kok on May 22nd, 2009 at 3:38 pm

  3. Dear Dr Shock

    Yes me too! I am using a meta-analytic approach to setting an audit standard for an intensive treatment programme for obsessive-compulsive disorder. I can make a high-low stock graph in MS-Excel but it is vertical when it really needs to be horizontal my e-mail is: james.tighe1@btopenworld.com

    I’d be greatful for any help.

    4. James Tighe on July 2nd, 2009 at 6:20 pm

  4. Dear Dr. Shock,
    We are trying to creat a forrest plot but the link doesn’t work.
    Could you sent it to my email: g.w.d.landman@isala.nl
    Thank you,
    G.W.D.Landman-MD-resident internal medicine isala clinics Zwolle, the Netherlands

    5. Gijs Landman on July 30th, 2009 at 10:05 am

  5. Dr. Shock,

    I will echo the comments prior to my own. Could you please send the file for the forest plot to my email at apnijjar@gmail.com.

    Regards,
    Aman

    6. Aman Nijjar on November 5th, 2009 at 11:47 pm

  6. Dr. Shock,

    I am able to make a vertical but not a horizontal forest plot in excel. Could you also send me the link for creating forest plots in excel? Thank you!

    7. anasooya on October 10th, 2010 at 5:39 pm

  7. Hi Dr. Shock,

    I’m also interested in the excel file. Would you by chance still have it?

    Anthony

    8. Anthony Tsai on March 27th, 2011 at 11:45 pm

  8. Again, we are also looking for an option to create the above mentioned forest plot.
    Muchas Gracias,
    Christian

    9. Christian Apfel on August 3rd, 2011 at 1:52 am

  1. Dear Dr. Shock,

    My name is Ioannis Kareklas and I am a PhD student at the University of Connecticut. I am working on a meta-analysis of racial similarity effects in advertising and would love to get a copy of your spreadsheet to make forest plots in excel

    Unfortunately, the link posted on this website is not working.
    I would greatly appreciate it if you send me a working link or e-mail me the file @ ioanniskareklas@gmail.com.

    Thank you.

    2. Ioannis Kareklas on April 10th, 2009 at 8:47 pm

  2. Dear Dr. Shock,

    I saw your message about the forest plot and just as Ioannis Kareklas I tried to get the spreasheet from excel, but the link (still) didn’t work. So maybe you could also email me a working link or email the file? That would be fantastic!

    My emailadress is iammarthe@hotmail.com

    Thank you.
    Yours sincerely,
    Marthe Kok.

    3. Marthe Kok on May 22nd, 2009 at 3:38 pm

  3. Dear Dr Shock

    Yes me too! I am using a meta-analytic approach to setting an audit standard for an intensive treatment programme for obsessive-compulsive disorder. I can make a high-low stock graph in MS-Excel but it is vertical when it really needs to be horizontal my e-mail is: james.tighe1@btopenworld.com

    I’d be greatful for any help.

    4. James Tighe on July 2nd, 2009 at 6:20 pm

  4. Dear Dr. Shock,
    We are trying to creat a forrest plot but the link doesn’t work.
    Could you sent it to my email: g.w.d.landman@isala.nl
    Thank you,
    G.W.D.Landman-MD-resident internal medicine isala clinics Zwolle, the Netherlands

    5. Gijs Landman on July 30th, 2009 at 10:05 am

  5. Dr. Shock,

    I will echo the comments prior to my own. Could you please send the file for the forest plot to my email at apnijjar@gmail.com.

    Regards,
    Aman

    6. Aman Nijjar on November 5th, 2009 at 11:47 pm

  6. Dr. Shock,

    I am able to make a vertical but not a horizontal forest plot in excel. Could you also send me the link for creating forest plots in excel? Thank you!

    7. anasooya on October 10th, 2010 at 5:39 pm

  7. Hi Dr. Shock,

    I’m also interested in the excel file. Would you by chance still have it?

    Anthony

    8. Anthony Tsai on March 27th, 2011 at 11:45 pm

  8. Again, we are also looking for an option to create the above mentioned forest plot.
    Muchas Gracias,
    Christian

    9. Christian Apfel on August 3rd, 2011 at 1:52 am

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