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Table 2 Baseline characteristics of randomized participants

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

Characteristic Methylprednisolone acetate with lidocaine (n = 19) Lidocaine (n = 21)
Female, n (%) 11 (58%) 15 (71%)
Age at randomization in years, mean (SD) 61.5 (5.8) 56.0 (11.3)
Ethnic group:   
  White 19 (100%) 19(90%)
  Bangladesh/Indian 0 2 (10%)
Have major medical history 9 (47%) 9 (43%)
Right/left handed:   
  Right 18 (95%) 18 (86%)
  Left 1 (5%) 3 (14%)
Which shoulder affected:   
  Right 13 (68%) 12 (57%)
  Left 6 (32%) 9 (43%)
History of trigger for the shoulder pain 5 (26%) 6 (29%)
Current medication for shoulder problem:   
  Painkillers 11 (58%) 11 (52%)
  Anti-inflammatory medication 12 (63%) 11 (52%)
  Physiotherapy 3 (16%) 5 (24%)
  Other   
Shoulder stiffness addition to shoulder pain 9 (47%) 12 (57%)
Arm pain addition to shoulder pain 17 (89%) 19 (90%)
Neck pain addition to shoulder pain 9 (47%) 7 (33%)
Other symptoms addition to shoulder pain 6 (32%) 6 (29%)
Duration of any symptom in this shoulder for this episode (weeks), mean (SD) 15.9 (6.1) 10.7 (5.0)
History of shoulder pain 5 (26%) 6 (29%)
Systolic blood pressure, mmHg 130 (14.4) 133 (22.4)
Diastolic blood pressure, mmHg 80 (11.2) 77 (14.7)
Body temperature in °C, mean (SD) 36.7 (0.43) 36.7 (0.44)
Rotation of the glenohumeral joint compared to other side:   
  Greater that 50% 17 (89%) 17 (81%)
  Less than 50% 2 (11%) 4 (19%)