Table 2 Echo-types values of harvested and unharvested tendons for the two acquisition days, done by one examiner
Intra-rater reliability for acquisition and analysis – 1 examiner / 2 acquisitions/ 2 different days/ 2 analysis per patellar tendon | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Examiner C.S.P. | DAY 1 | DAY 2 | Â | Â | Â | ||||||
Area/ Echo-types | Type I (%) | Type II (%) | Type III (%) | Type IV (%) | Type I (%) | Type II (%) | Type III (%) | Type IV (%) | ICC (95% CI) | SEM (ICC) % GrM (%) | SEM (ICC) (%) |
Harvested patellar tendons of 10 participants (n = 10) | |||||||||||
 Patellar Apex | 56.0 ± 10.8 | 33.5 ± 5.9 | 7.3 ± 4.8 | 2.9 ± 1.6 | 54.7 ± 9.8 | 31.6 ± 6.9 | 8.9 ± 4.2 | 4.8 ± 2.6 | 0.95 (0.89–0.97) | 21.1 | 5.3 |
 Proximal tendon | 60.0 ± 6.6 | 32.1 ± 5.1 | 5.8 ± 3.9 | 2.2 ± 1.5 | 60.5 ± 8.8 | 29.4 ± 6.3 | 6.6 ± 4.1 | 3.6 ± 2.8 | 0.97 (0.94–0.98) | 16.1 | 4.0 |
 Mid Tendon | 62.8 ± 7.0 | 29.4 ± 4.0 | 5.4 ± 3.5 | 2.5 ± 1.7 | 64.8 ± 8.8 | 27.2 ± 6.8 | 5.2 ± 3.3 | 3.1 ± 2.6 | 0.98 (0.95–0.98) | 15.1 | 3.8 |
 Distal Tendon | 46.9 ± 7.9 | 35.3 ± 6.3 | 13.2 ± 8.4 | 4.5 ± 2.6 | 50.0 ± 12.6 | 34.0 ± 7.6 | 11.4 ± 5.8 | 4.6 ± 2.8 | 0.95 (0.89–0.97) | 17.2 | 4.3 |
 Overall Tendon | 53.6 ± 5.4 | 33.3 ± 4.1 | 9.5 ± 4.7 | 3.7 ± 1.7 | 54.9 ± 7.0 | 31.6 ± 4.5 | 9.2 ± 4.3 | 4.1 ± 2.4 | 0.99 (0.97–0.99) | 9.0 | 2.2 |
Unharvested patellar tendons of 14 participants (n = 20) | |||||||||||
 Patellar Apex | 57.5 ± 12.3 | 39.0 ± 10.6 | 2.5 ± 5.2 | 0.9 ± 1.9 | 56.1 ± 13.3 | 40.5 ± 12.0 | 2.6 ± 4.7 | 0.8 ± 1.6 | 0.94 (0.90–0.96) | 25.5 | 6.4 |
 Proximal tendon | 65.7 ± 10.3 | 33.0 ± 8.6 | 0.8 ± 2.3 | 0.3 ± 0.9 | 67.4 ± 8.5 | 31.9 ± 8.0 | 0.5 ± 0.9 | 0.2 ± 0.4 | 0.97 (0.94–0.97) | 21.0 | 5.2 |
 Mid Tendon | 68.6 ± 10.2 | 30.1 ± 8.7 | 0.9 ± 1.9 | 0.3 ± 0.7 | 70.2 ± 9.3 | 29.0 ± 8.6 | 0.4 ± 1.2 | 0.2 ± 0.5 | 0.98 (0.97–0.98) | 14.6 | 3.7 |
 Distal Tendon | 53.3 ± 10.1 | 41.3 ± 7.8 | 4.3 ± 5.6 | 1.2 ± 2.0 | 52.9 ± 17.7 | 42.2 ± 12.9 | 4.1 ± 9.3 | 0.7 ± 1.7 | 0.89 (0.83–0.92) | 31.6 | 7.9 |
 Overall Tendon | 60.4 ± 7.8 | 35.2 ± 6.3 | 3.2 ± 3.3 | 0.8 ± 1.2 | 61.6 ± 9.8 | 33.9 ± 6.9 | 3.6 ± 4.3 | 0.8 ± 1.2 | 0.98 (0.96–0.98) | 15.1 | 3.8 |