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Table 4 Responder analysis

From: Multidisciplinary integrative care versus chiropractic care for low back pain: a randomized clinical trial

% Pain reduction Treatment groups Group differences
Chiropractic Care (%) Integrated care (%) Chiropractic care minus integrated care
Week 12*
No reduction or increase 17.7 12.9 4.8 (− 5.3 to 15.1)
 ≥ 30% 64.6 72.3 −7.7 (−20.3 to 5.2)
  ≥ 50% 50.0 56.4 −6.4 (−19.9 to 7.4)
  ≥ 75% 15.6 21.8 −6.2 (−16.9 to 4.9)
100% 1.0 5.9 −4.9 (−11.4 to 0.7)
Week 26^
No reduction or increase 26.6 21.6 4.9 (−7.2 to 16.9)
  ≥ 30% 54.3 61.9 −7.6 (−21.1 to 6.3)
  ≥ 50% 28.7 43.3 −14.6 (−27.4 to −1.0)
 ≥ 75% 14.9 18.6 −3.7 (−14.3 to 7.1)
100% 2.1 3.1 −1.0 (−6.8 to 4.7)
Week 52
No reduction or increase 25.3 16.5 8.8 (−2.9 to 20.5)
  ≥ 30% 50.6 64.9 −14.4 (−27.9 to −0.1)
  ≥ 50% 36.8 48.5 −11.7 (−25.2 to 2.6)
  ≥ 75% 19.5 21.6 −2.1 (−13.6 to 9.7)
 100% 3.4 5.2 −1.7 (−8.4 to 5.2)
  1. Proportion of participants with at least 30, 50, 75, or 100% reduction in pain intensity
  2. *Analysis included 96 participants in Chiropractic care group and 101 in Integrated care group;
  3. ^Analysis included 94 participants in Chiropractic care group and 97 in Integrated care group;
  4. Analysis included 87 participants in Chiropractic care group and 97 in Integrated care group;