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  1. J

    Calculating missing mean and std deviations of subset

    Think I finally got there. Thanks! (I was using the wrong formula from higher up in the page in the original link you sent)
  2. J

    Calculating missing mean and std deviations of subset

    thanks. any closer now?
  3. J

    Calculating missing mean and std deviations of subset

    Thanks for your reply. Apologies, I had copied and pasted whilst transposing rows to columns in excel, and forgot to paste values instead of formulae. Please see adjusted results in attached file. Here are the formulae I used for child mean and child SD respectively 1) child mean =((total...
  4. J

    Calculating missing mean and std deviations of subset

    thank you, that would be most appreciated. Please see results in attached file that I got to. Kind regards, Jacob
  5. J

    Calculating missing mean and std deviations of subset

    Yes, I completely agree, but nevertheless we are reporting whatever data is out there and then commenting on quality / certainty of the evidence as well.
  6. J

    Calculating missing mean and std deviations of subset

    Thank you, I had another crack at it and seem to be getting some plausible results instead of just errors! Thanks a lot
  7. J

    Calculating missing mean and std deviations of subset

    Thanks fed2 for your reply. I am not sure if I am able to do this, as I don't have the individual participant data, so I am not sure how to calculate the sum of squares. Please see attached pdf with example. I have calculated and verified the mean for children, but trying to calculate for...
  8. J

    Calculating missing mean and std deviations of subset

    Hi all, first-time poster, thanks to anyone who may be able to guide me. I am primarily a clinician, but am busy writing a systematic review and meta-analysis of certain medication trials and was wondering if there might be a simple solution to the problem I am facing. Essentially, I am...