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. 2015 Apr 7;18(8):pyv023. doi: 10.1093/ijnp/pyv023

Figure 4.

Figure 4.

Meta-regression analysis of response rate in treatment-resistant depression. Type 1 indicates the TRD 1 group, 2 indicates the TRD 2 group, and 3 indicates the TRD 2–4 group. The coefficient is 0.121257, and the p value is 0.050. RR, risk ratio; SAT, standard antidepressant therapy; TRD, treatment resistant depression; TRD 1, defined by no history of treatment failure to SAT within the current depressive episode; TRD 2, defined by history of two treatment failures to SAT within the current depressive episode; TRD 2–4, defined by history of two to four treatment failures to SAT within the current depressive episode.