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imho
2013 Apr 27
1
using metafor for meta-analysis of before-after studies
...m meta-analyis using the value of percentage change, and if it is possible to calculate the ¡®sdi¡¯ (the standard deviation of the change scores) using the SD of percentage change.
Thank you very much, I am looking forward to your reply.
With best wishes.
Qiang Yue M.D.
Visiting Scholar of IMHR, University of Ottawa
1145 Carling Avenue, K1Z 7K4, Ottawa, ON, Canada
Tel: 613-722-6521 ext. 6554
Associate Professor of Radiology
Department of Radiology, West China Hospital, Sichuan University
Chengdu, 610041, China
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