Fig. 2. Forests plots for efficacy outcomes. (A) Forest plot of studies comparing amitriptyline with placebo in terms of “Treatment response” outcome. (B) Sensitivity analysis of Treatment response including trials with IBS-diarrhea patients only. (C) Forest plot of studies comparing Irritable Bowel Syndrome Symptom Severity Scores. (D) Forest plot of studies comparing Decrease in Abdominal Pain. (E) Forest plot of studies comparing Improvement in Diarrhea. M-H, Mantel-Haenszel.
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