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Carryover effects in the primary outcome measures by trial arm. Both unadjusted and adjusted analyses revealed the significant group differences (P<0.05) at T1 time point for average pain (a), current pain (b), and Neck Disability Index (NDI) (c). The allocation sequences indicate OMT intervention as A and waiting period as B. Error bars indicate standard errors. T0 - baseline, T1 - cross-over time point, T2 - study completion.
