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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)