Table 7.
Adjusted estimates (estimated marginal means and 95% CI) of key outcomes at 8 weeks follow-up for each treatment arm separately
| 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) |
aOswestry Disability Index scores range from 0 to 100 with higher scores indicating greater disability
bPelvic Girdle Questionnaire scores range from 0 to 100 where 100 is the worst possible
cMean of three numerical rating scale for least, usual and current pain score
dAdjusted for baseline outcome score, age, gestation week and baseline pain severity (for the disability outcomes) and ODI score for the pain severity outcome