Radiological outcome at 1-year follow-up
| Operative N=21 | Non-operative N=27 | Total N=48 | P value | ||
| Proximal free hamstring tendon continuity | |||||
| No continuity | 1 (5%)* | 13 (48%) | 14 (29%) | 0.008 | |
| Continuity (shared tendon) | 15 (71%) | 11 (41%) | 26 (54%) | ||
| Continuity (separate tendons) | 5 (24%) | 3 (11%) | 8 (17%) | ||
| Fatty infiltration | |||||
| Biceps femoris | Normal-to-mild | 10 (48%) | 6 (22%) | 16 (33%) | 0.16 |
| Moderate | 8 (38 %) | 19 (70%) | 27 (56%) | ||
| Severe | 3 (14%) | 2 (7%) | 5 (10%) | ||
| Semitendinosus | Normal-to-mild | 5 (24%) | 9 (33%) | 14 (29%) | 0.50 |
| Moderate | 15 (71%) | 14 (52%) | 29 (60%) | ||
| Severe | 1 (5%) | 4 (15%) | 5 (10%) | ||
| Semimembranosus | Normal-to-mild | 11 (52%) | 6 (22%) | 17 (35%) | 0.19 |
| Moderate | 9 (43%) | 19 (70%) | 28 (58%) | ||
| Severe | 1 (5%) | 2 (7 %) | 3 (6%) | ||
| Sciatic nerve† | |||||
| Increased signal intensity | 0 (0%) | 3 (11%) | 3 (6%) | 0.12 | |
| Enlargement | 7 (33%) | 15 (56%) | 22 (46%) | 0.13 | |
| Contact with perinervous scarring | 14 (67%) | 18 (67%) | 32 (67%) | 1.00 |
*Follow-up MRI made after reinjury.
†More than one answer possible.