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Meta-Analysis
©The Author(s) 2025.
World J Psychiatry. Oct 19, 2025; 15(10): 110404
Published online Oct 19, 2025. doi: 10.5498/wjp.v15.i10.110404
Table 4 Risk-of-bias assessment using the Methodological Index for Non-Randomized Studies tool
Ref.
A stated aim of the study
Inclusion of consecutive patients
Prospective collection of data
Endpoint appropriate to the study aim
Unbiased evaluation of endpoints
Follow-up period appropriate to the major endpoint
Loss to follow-up not exceeding 5%
Prospective calculation of the sample size
A control group having the gold standard intervention
Contemporary groups
Baseline equivalence of groups
Statistical analyses adapted to the study design
Total
Deng et al[42], 202122222222----16
Çevikaslan et al[41], 202122222222----16
Spencer et al[30], 200522222222----16
Sund and Zeiner[29], 200122222222----16
Díez-Suárez et al[39], 201722222222----16
Mellström et al[28], 202022222222----16
Fast et al[43], 202122222222----16
Germinario et al[35], 201322222222222224
Mei et al[44], 202222222222----16
Spencer et al[31], 200722222222----16
Gurbuz et al[38], 201622222222----16
Byrd et al[34], 201322222022----14
Lee et al[27], 202222222222----16


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