All patients | Injection group (steroids) | Control group | |
Number of patients | 1731 | 744 | 987 |
Mean (SD) age, years | 47.5 (4.9) | 48.2 (5.2) | 47.3 (5.8) |
Female sex, n (%) | 659 (38) | NA | NA |
Number of patients with shoulder lesion: rotator cuff tendonitis and subacromial impingement (%) | 618 (33.9) | 315 | 303 |
Acute | −253 (40.9) | −122 | −131 |
Chronic | −245 (39.6) | −103 | −142 |
Heterogeneous | −120 (19.4) | −90 | − 30 |
Number of patients with elbow lesion: epicondylitis (%) | 1113 (64.3) | 429 | 684 |
Acute | −513 (46.1) | −168 | −345 |
Chronic | −483 (43.4) | −208 | −275 |
Heterogeneous | −117 (10.5) | −53 | −64 |
Acute: <12-week symptom duration; chronic: ⩾12-week symptom duration, heterogeneous: variable symptom duration.
NA, not available.