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Table 7 Adjusted estimates (estimated marginal means and 95% CI) of key outcomes at 8 weeks follow-up for each treatment arm separately

From: Evaluating acupuncture and standard care for pregnant women with back pain: the EASE Back pilot randomised controlled trial (ISRCTN49955124)

Key outcomes Outcome mean (95% CI) adjusted for baseline scores only Outcome mean (95% CI) adjusted for baseline scores and other covariatesd
Treatment arms Treatment arms
SC SC+TA SC+NPA SC SC+TA SC+NPA
ODI scorea (0–100) 31.2 (25.5, 36.9) 23.2 (17.5, 28.8) 25.2 (19.1, 31.3) 31.3 (25.5, 37.0) 23.3 (17.5, 29.0) 25.0 (18.8, 31.3)
PGQb (0–100)
 Total 48.3 (40.5, 56.2) 35.8 (28.0, 43.5) 40.1 (31.8, 48.3) 48.3 (40.5, 56.1) 36.7 (29.0, 44.4) 40.0 (30.7, 47.2)
 Activity subscale 47.6 (39.5, 55.7) 35.3 (27.3, 43.2) 39.9 (31.4, 48.4) 47.7 (39.7, 55.7) 36.2 (28.3, 44.2) 38.6 (30.1, 47.1)
 Symptom subscale 52.0 (44.1, 60.0) 36.2 (28.3, 44.0) 40.1 (31.7, 48.5) 52.4 (44.4, 60.3) 36.0 (28.1, 43.8) 40.0 (31.5, 48.4)
Pain severity (pain index)c 4.1 (3.4, 4.8) 2.5 (1.8, 3.2) 2.1 (1.4, 2.9) 4.1 (3.4, 4.7) 2.6 (1.9, 3.2) 2.1 (1.3, 2.8)
  1. aOswestry Disability Index scores range from 0 to 100 with higher scores indicating greater disability
  2. bPelvic Girdle Questionnaire scores range from 0 to 100 where 100 is the worst possible
  3. cMean of three numerical rating scale for least, usual and current pain score
  4. dAdjusted for baseline outcome score, age, gestation week and baseline pain severity (for the disability outcomes) and ODI score for the pain severity outcome