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Table 7 Numeric pain rating scale between-group comparisons

From: A pilot randomized controlled trial comparing the efficacy of exercise, spinal manipulation, and neuro emotional technique for the treatment of pregnancy-related low back pain

Comparison groups Outcome score 30% Improvement 50% Improvement
  Crude mean difference (95% CI) Adjusted mean difference1 (95% CI) P Crude proportional difference (95% CI) P Crude proportional difference (95% CI) P
Ex2 vs NET −0.1 (−1.1, 1.0) 0.1 (−1.0, 1.3) .818 0.19 (−0.12, 0.50) .898 0.20 (−0.11, 0.51 .894
Ex2 vs SMT −0.5 (−1.8, 0.7) −0.3 (−1.5, 1.0) .656 −0.03 (−0.34, 0.28) .425 0.02 (−0.29, 0.33) .552
SMT2 vs NET 0.5 (−0.7, 1.6) 0.5 (−0.8, 1.7) .442 0.22 (−0.09, 0.53) .916 0.18 (−0.13, 0.49) .871
  1. 1 Adjusted for Gestational Age at entrance into the study, Outcome Measure score at baseline, Maternal age, and history of low back pain using linear regression for testing adjusted mean differences of outcome scores2 Reference Category: A positive mean difference favors the reference category.