Mean values (SD), interobserver and intraobserver reliability, 95% CI and SDD of prognostic parameters and grading11 in 25 acute hamstring injuries
| Prognostic parameters | Mean (SD) | Inter-rater | Intrarater | SDD (cm) | ||
|---|---|---|---|---|---|---|
| ICC | 95% CI | ICC | 95% CI | |||
| Distance from ischial tuberosity (cm) | 11.0 (6.9) | 1.00 | 1.00 | 0.97 | 0.92 to 0.99 | 0.8 |
| Extent of oedema | ||||||
| Cranial-caudal (cm) | 15.5 (6.2) | 0.79 | 0.62 to 0.89 | 0.88 | 0.78 to 0.94 | 1.1 |
| Anteriorposterior (cm) | 2.5 (1.4) | 0.92 | 0.84 to 0.96 | 0.95 | 0.90 to 0.97 | 1.1 |
| Medial-lateral (cm) | 2.5 (1.3) | 0.77 | 0.58 to 0.88 | 0.88 | 0.78 to 0.94 | 1.6 |
| Volume (cm3) | 73.0 (75.3) | 0.97 | 0.93 to 0.98 | 0.98 | 0.96 to 0.99 | 32.7 |
| Cross-sectional area (%) | 23.2 (20.6) | 0.97 | 0.94 to 0.99 | 0.96 | 0.92 to 0.98 | 8.5 |
| Grading | 1.0* | 0.96* | ||||
For all ICCs, p value was <0.05. For Grading, Cronbach's α is presented.
*Cronbach's α.
ICC, intraclass correlation coefficients; SDD, smallest detectable difference.