Baseline | RTP | |
Intramuscular tendon CSA affected (n) | 41/41 | 23/41 |
Partial-thickness discontinuity (>0%–99% CSA) | 34/41 83% | 22/41 54% |
Complete thickness discontinuity (100% CSA) | 7/41 17% | 1/41 2% |
Involved tendon | ||
Biceps femoris | 23/41 56% | 16/41 39% |
Semitendinosus | 0/41 0% | 0/41 0% |
Semimembranosus | 8/41 20% | 3/41 7% |
Biceps femoris + semitendinosus | 10/41 24% | 4/41 10% |
Waviness | ||
Yes | 25/41 61% | 5/41 12% |
No | 16/41 39% | 36/41 88% |
Tendon thickening | ||
Yes | 0/41 0% | 36/41 88% |
No | 41/41 100% | 5/41 12% |
Median tendon disruption length (IQR) (range) | ||
Baseline partial discontinuity—RTP continuous (n=18) | 69 mm (43–86 mm) (11–175 mm) | 0 mm* |
Baseline partial discontinuity—RTP partial discontinuity (n=16) | 60.5 mm (48.5–97 mm) (21–132 mm) | 22.5 mm (12.6–54.5 mm) (7.6–94 mm)* |
Baseline complete discontinuity—RTP partial discontinuity (n=6) | 26 mm (10–50 mm) (6–57 mm) | 25.5 mm (17–45 mm) (14–120 mm) |
Median retraction length (IQR) | ||
Baseline complete discontinuity—RTP complete discontinuity (n=1) | 121 mm | 22 mm |
Baseline complete discontinuity—RTP continuous (n=0) | Not applicable | Not applicable |
Baseline partial discontinuity—RTP complete discontinuity (n=0) | Not applicable | Not applicable |
*Statistically significant difference between baseline and RTP (p<0.001).
CSA, cross-sectional area; n, number of cases.