Problem solving treatment v control treatment for deliberate self harm*

Weighted mean scores
OutcomesPSTControlStandardised mean difference (95% CI)
Depression (BDI)NANA0.36 (0.11 to 0.61)
Weighted mean difference (CI)
Hopelessness (HS) (1.13 to 4.81)
Weighted event rates
OutcomesPSTControlRBI (CI)NNT (CI)
*BDI = Beck Depression Inventory; HS = Hopelessness Scale; NA = not available; PST = problem solving treatment. Other abbreviations defined in glossary; weighted mean scores, weighted event rates, RBI, NNT, and CI calculated from data in article using a fixed effects model.
Improvement in problems86%61%40% (18 to 67)5 (3 to 8)