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Characteristics of the study population in patients with PFS and controls.
| Characteristics | Cases (n = 42) |
Controls (n = 50) |
P value |
|---|---|---|---|
| Male/female | 20/22 | 23/27 | 0.877 |
| Age (years) | 53.86 ± 1.60 | 54.80 ± 2.58 | 0.175 |
| BMI (kg/m2) | 23.15 ± 1.00 | 23.31 ± 1.14 | 0.481 |
BMI: body mass index; PFS: primary frozen shoulder.
