Skip to main content

Advertisement

Table 2 Changes from baseline in secondary outcomes after the exercise program (13 weeks) and after 26 weeks Analyses were based on the Intention to Treat Population.”

From: Exercise therapy after ultrasound-guided corticosteroid injections in patients with subacromial pain syndrome: a randomized controlled trial

  13 weeks 26 weeks
Painful shoulder Interv. (n = 49) Cont. (n = 50) Group difference P Interv. (n = 49) Cont. (n = 50) Group difference P
Mean (SE) Mean (SE) Mean (95 % CI) Mean (SE) Mean (SE) Mean (95 % CI)
Ultrasound variables         
 Bursa size decrease (mm) –0.16 (0.08) –0.30 (0.08) 0.14 (–0.10 to 0.37 0.25 –0.16 (0.08) –0.04 (0.08) –0.13 (–0.36 to 0.10) 0.27
 Number of positive US Impingement (positive baseline) 9 (18 %)a (16 (34 %)) 19 (38 %)a (25(50 %)) –0.20 (–0.02 to –0.37)b 0.030c 14 (29 %)a (16 (34 %)) 23 (46 %)a (25(50 %)) –0.17 (–0.36 to 0.01)b 0.073c
 Positive clinical impingement (positive baseline) 38 (78 %)a (45 (92 %)) 42 (84.%)a (45 (90 %)) –0.06 (–0.22 to 0.09)b 0.42c 40 (82 %)a (45 (92 %)) 47 (94 %)a (45 (90 %)) –0.12 (–0.25 to 0.00)b 0.059c
Shoulder Disability Questionnaire        
 Decrease (percentage) in difficulty performing shoulder task (0–100 %) –26 (4) –22 (4) –4 (–16 to 7) 0.44 –18 (4 %) –16 (4) –2 (–13 to 10) 0.73
Muscle strength         
 MVC abduction (n) 4.6 (2.5) 3.7 (2.5) 0.9 (–6.2 to 7.9) 0.80 0.5 (2.4) 1.4 (2.4) –0.9 (–7.5 to 5.7) 0.80
 MVC internal rotation (n) 0.8 (3.2) 3.6 (3.1) –2.8 (–11.6 to 5.9) 0.52 0.1 (3.1) –1.5 (3.1) 1.6 (–7.2 to 10.3) 0.71
 MVC external rotation (n) 7.0 (2.4) 5.8 (2.4) 1.2 (–5.6 to 8.0) 0.72 –1.5 (2.2) 2.5 (2.2) –4.1 (–10.2 to 2.1) 0.20
  1. Analyses were based on the intention-to-treat population. Intervent. intervention group, Cont. control group, SE standard error, CI confidence interval, US ultrasound, MVC maximal voluntary contraction. aData are number of participants (%). bData are risk differences (95 % CI). cBased on the Chi2 test of proportions