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Trim and fill analysis: trimmed studies = 0. Overall effect size (observed): ES = 0.40; LL = 0.16; UL = 0.64; P = 0.001; V = 0.01; SE = 0.12. Overall effect size (estimated): ES = 0.40; LL = 0.16; UL = 0.64; P = 0.001; V = 0.01; SE = 0.12. Egger’s linear regression test: intercept = 0.63; t = 0.57; P = 0.577.
