Table 2 Results of the regression analysis; dependent variable "SPADI improvement"
From: Hydrodilatation, corticosteroids and adhesive capsulitis: A randomized controlled trial
Variable | Simple regression (variables analyzed separately) | Multiple regression (full model) | ||
|---|---|---|---|---|
Coefficients | 95% CI | Coefficients | 95% CI | |
Treatment (INJ coded 0, DIL coded 1) | 1 | (-9 to 11) | 3 | (-5 to 11) |
Gender (female coded 0, male coded 1) | -1 | (-11 to 9) | 3 | (-5 to 11) |
Age (years) | 0.9 | (0.1 to 1.7) | 0.4 | (-0.2 to 1.0) |
Baseline SPADI score | 0.7 | (0.5 to 0.9) | 0.9 | (0.7 to 1.1) |
Baseline pain medication (< 1 tablet/day coded 0, 1 tablet/day or more coded 1) | 3 | (-8 to 14) | -14 | (-23 to -4) |
Sick leave at baseline ("No" coded 0, "Yes" coded 1) | -1 | (-11 to 9) | -5 | (-14 to 3) |
Previous shoulder problems (other than capsulitis) ("No" coded 0, "Yes" coded 1) | -3 | (-13 to 7) | -4 | (-12 to 4) |
Duration of condition at baseline (< 6 months coded 0, 6 months or more coded 1) | -8 | (-18 to 2) | 0 | (-8 to 7) |