Table 1: Baseline characteristics of patients with idiopathic frozen shoulder and diabetic secondary frozen shoulder groups.

Idiopathic Diabetic P value
Shoulders, n 42 10
Age, years (SD) 58.7 (7.4) 59.4 (7.7) 0.19
Sex, men (%) 14 (33.3) 6 (60.0) 0.16
Affected side, right (%) 20 (47.6) 6 (60.0) 0.3
Pretreatment periods, months (SD) 6.1 (3.7) 6.1 (2.6) 0.68
Follow-up periods, months (SD) 5.1 (2.4) 4.8 (3.5) 0.39

Data were expressed as mean (standard deviation) or number (percentage).