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. 2014 Feb 4;13(1):56–67. doi: 10.1002/wps.20089

Table 3.

Direct comparisons between psychotherapy, pharmacotherapy, combined psychotherapy and pharmacotherapy, and placebo in anxiety and depressive disorders (Hedges' g)

Ncomp g 95% CI I2 95% CI NNT
Combined vs. placebo 11 0.74 0.48-1.01 65 33-82 2.50
Pharmacotherapy vs. combined 11 0.37 0.12-0.63 43 0-72 4.85
Pharmacotherapy vs. placebo 11 0.35 0.21-0.49 0 0-60 5.10
Psychotherapy vs. combined 11 0.38 0.16-0.59 53 8-76 4.72
Psychotherapy vs. placebo 11 0.37 0.11-0.64 68 41-83 4.85

Ncomp - number of comparisons, NNT – number needed to treat