Table 1.
Characteristics of each subpopulation
| Characteristic | All conditions | Achilles body | Achilles insertion | Patella tendon | Hamstring tendon |
|---|---|---|---|---|---|
| Number of cases | 438 | 149 | 48 | 94 | 55 |
| Number of aprotinin injections used | 997 | 323 | 135 | 215 | 130 |
| Average number of aprotinin injections used/case | 2.3 | 2.2 | 2.8 | 2.3 | 2.3 |
| Average age (years) | 37.6 | 38.5 | 49.1 | 29.8 | 34.1 |
| Average duration of symptoms (months) | 20.1 | 21.6 | 18.4 | 14.9 | 25.3 |
| Percentage male | 74% | 68% | 70% | 95% | 58% |
| Percentage elite athlete | 22% | 22% | 10% | 29% | 34% |
| Percentage followup | 72% | 72% | 79% | 62% | 78% |
| Minimum followup (months) | 3 (average, 12.2; range, 3–54) | 3 (average, 11.6; range, 3–42) | 3 (average, 11.5; range, 3–25) | 3 (average, 11.7; range, 3–23) | 3 (average, 14.4; range, 3–54) |