Table 1

Participant demographic data

VariablePlacebo (n=35)Treatment (n=38)
Gender: male20 (57.1%)17 (44.7%)
Age (years)52.0 (16.2)52.2 (12.0)
Body mass index (kg/m²)28.9 (8.4)27.5 (5.2)
Waist circumference (cm)98.8 (16.4)94.8 (13.0)
Current smoker5 (14.3%)5 (14.3%)
Plasma eicosapentaenoic acid and docosahexaenoic acid (wt%)3.9 (1.5)4.1 (1.8)
Analgesia medication10 (28.6%)*3 (7.9%)
Statin medication7 (20%)6 (15.8%)
Symptom duration (months)10 (4–18)9 (6–19.5)
Mechanism of injury
 Insidious17 (48.6%)21 (55%)
 Accident/fall5 (14.3%)8 (21.1%)
 Lifting/repetitive movement6 (17.1%)6 (15.8%)
 Exercise7 (20.0%)3 (7.9%)
Able to sleep on symptomatic shoulder17 (48.6%)17 (44.7%)
  • Summary measures represent means/N (SD/%/range). Differences between groups test with Mann-Whitney test or χ2 test.

  • *P=0.03

  • wt%, weight percentage.