Summary of meta-analysis results. A denotes all-contrasts model; B, best-case scenario model; C, Cleary  trial excluded model; M, median contrasts model; NT, no treatment control; OMT, osteopathic manipulative treatment; W, worst-case scenario model. 1, 2, 3, and 4 indicate alternative models restricted to one OMT vs control treatment comparison per trial. A diamond indicates the inclusion of the relevant contrast or observation of the stated result. Sensitivity analyses are shaded in gray. Results are presented for each of the 43 analyses, including the overall meta-analysis, seven stratified meta-analyses, and 35 sensitivity analyses.