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Table 5 Oxford shoulder score a

From: Corticosteroid injection for shoulder pain: single-blind randomized pilot trial in primary care

Stage Methylprednisolone acetate with lidocaine (n = 19) Lidocaineb Estimated difference in change from baseline (95% CI)c
Baseline 26.4 (7.4) 25.4 (9.0)  
4 weeks 30.3 (10.5) 32.7 (8.5)  
12 weeks 30.6 (10.8) 32.7 (8.6)  
Change at 4 weeks from baseline 3.9 (8.5) 6.3 (10.1) -2.4 (-8.1 to 3.4)
Change at 12 weeks from baseline 4.2 (9.1) 8.2 (11.3) -2.9 (-9.0 to 3.2)
  1. aThe higher the score the better.
  2. bn = 21 at baseline and 19 from 4 weeks onwards.
  3. cAdjusted for baseline score.