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Table 2 Associations between AE and recovery at seven weeks’ follow-up presented as crude and adjusted Odds Ratio (OR) with 95% confidence intervals (95% CI) (n = 742)

From: Do adverse events after manual therapy for back and/or neck pain have an impact on the chance to recover? A cohort study

  All OR (95% CI) Men OR (95% CI) Women OR (95% CI)
AE Na (nb) Crudec Adjustedd Na (nb) Crudec Adjustedd Na (nb) Crudec
No (NRS < 1) 176 (94) 1.0 (ref.) 1.0 (ref.) 74 (35) 1.0 (ref.) 1.0 (ref.) 102 (59) 1.0 (ref.)
Mild (NRS 1–3) 388 (212) 1.05 (0.74–1.50) 1.14 (0.79–1.64) 111 (61) 1.36 (0.76–2.46) 1.46(0.78–2.69) 277 (151) 0.88 (0.56–1.39)
Moderate/major (NRS ≥ 4) 178 (86) 0.82 (0.54–1.24) 0.92 (0.60–1.41) 32 (16) 1.13 (0.49–2.59) 1.25 (0.53–2.93) 146 (70) 0.68 (0.41–1.14)
  1. Abbreviations: AE, adverse events; OR, Odds Ratio; CI, confidence interval; NRS, numeric rating scale(0–10)
  2. aNumber of patient in AE group
  3. bNumber of recovered patient measured by perceived recovery in AE group
  4. cTreatment arm included in analysis
  5. dAdjusted for treatment arm and recovery expectations