|
|
|
| Total (n = 1288) | Subjects with symptomatic TOS (n = 422) | Subjects without symptomatic TOS (n = 866) | P-value | |
| Age(years) | 15 | 165 (12.8%) | 33 (7.9%) | 132 (15.2%) | <0.001 | ||
| 16 | 640 (49.8%) | 195 (46.4%) | 445 (51.4%) | ||||
| 17 | 481 (37.4%) | 192 (45.7%) | 289 (33.4%) | ||||
| Main position | Pitcher | 292 (22.7%) | 106 (25.1%) | 186 (21.5%) | 0.577 | ||
| Catcher | 135 (10.5%) | 41 (9.7%) | 94 (10.9%) | ||||
| Infielder | 480 (37.3%) | 148 (35.1%) | 332 (38.3%) | ||||
| Outfielder | 356 (27.6%) | 119 (28.2%) | 237 (27.4%) | ||||
| Others | 25 (1.9%) | 8 (1.9%) | 17 (2.0%) | ||||
| Positive subjective symptom during the previous season | Shoulder/elbow pain | Negative | 423 (32.8%) | 97 (23.0%) | 326 (37.6%) | <0.001 | |
| Positive | 865 (67.2%) | 325 (77.0%) | 540 (62.4%) | ||||
| Reccurence of shoulder/elbow pain | Negative | 707 (54.9%) | 168 (39.8%) | 539 (62.2%) | <0.001 | ||
| Positive | 581 (45.1%) | 254 (60.2%) | 327 (37.8%) | ||||
| Abnormality of Physical findings | MUCL tenderness | Negative | 1103 (85.6%) | 327 (77.5%) | 776 (89.6%) | <0.001 | |
| Positive | 185 (14.4%) | 95 (22.5%) | 90 (10.4%) | ||||
| Milking maneuver | Negative | 1169 (90.8%) | 358 (84.8%) | 811 (93.4%) | <0.001 | ||
| Positive | 119 (9.2%) | 64 (15.2%) | 55 (6.4%) | ||||
| Subacromial impingement sign | Negative | 1207 (93.7%) | 383 (90.8%) | 824 (95.1%) | 0.003 | ||
| Positive | 81 (6.3%) | 39 (9.2%) | 42 (4.9%) | ||||
| Posterior impingement sign | Negative | 1121 (87.0%) | 337 (79.9%) | 784 (90.5%) | <0.001 | ||
| Positive | 167 (13.0%) | 85 (20.1%) | 82 (9.5%) | ||||