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. 2002 Apr 22;2002(2):CD002068. doi: 10.1002/14651858.CD002068

Comparison 2. Mean pain change (non standardized).

Outcome or subgroup title No. of studies No. of participants Statistical method Effect size
1 mean pain score at 4 weeks 5 598 Mean Difference (IV, Random, 95% CI) 0.49 [‐0.09, 1.07]
2 mean pain score at 8 weeks 1 377 Mean Difference (IV, Random, 95% CI) 0.0 [0.0, 0.0]
3 mean pain score at 12 weeks 5 892 Mean Difference (IV, Random, 95% CI) 0.0 [0.0, 0.0]