Time to RTP and reinjuries for injuries without intramuscular tendon disruption and injuries with increasing degrees of intramuscular tendon disruption
| N | Time to RTP (days) | Reinjury ≤2 months | Reinjury ≤6 months | Reinjury ≤12 months | |
| Overall | 70 | 24.5±8.9 | 6 (8.6%) | 8 (11.4%) | 11 (15.7%) |
| No intramuscular tendon disruption | 41 | 22.2±7.4 | 3 (7.3%) | 4 (9.8%) | 6 (14.6%) |
| Intramuscular tendon disruption | 29 | 27.7±10.0* | 3 (10.3%) | 4 (13.8%) | 5 (17.2%) |
| <50% of tendon CSA | 5 | 24.0±9.7* | 0 (0%) | 0 (0%) | 0 (0%) |
| 50%–99% of tendon CSA | 12 | 25.3±8.6* | 1 (8.3%) | 2 (16.7%) | 3 (25.0%) |
| 100% of tendon CSA | 12 | 31.6±10.9† | 2 (16.7%) | 2 (16.7%) | 2 (16.7%) |
| No waviness | 53 | 22.6±7.5 | 3 (5.7%) | 5 (9.4%) | 8 (15.1%) |
| Waviness | 17 | 30.2±10.8‡ | 3 (17.6%) | 3 (17.6%) | 3 (17.6%) |
*No statistically significant difference compared with no intramuscular tendon disruption.
†Statistically significant difference compared with no intramuscular tendon disruption (p<0.05).
‡Statistically significant difference compared with no waviness.
CSA, cross-sectional area; RTP, return to play.