Table 2 Interobserver correlation of the ‘critical trochanter angle (CTA) for both measuring sequences
| Interobserver correlation | ||||
|---|---|---|---|---|
| Measuring sequence | Subjects | Mean CTA (°) | ICC (95% CI) | |
| 1 | Observer 1 | 100 | 25.06 | 0.83 (0.67–0.90) |
| Observer 2 | 100 | 20.34 | ||
| Observer 3 | 100 | 19.15 | ||
| Observer 4 | 100 | 17.76 | ||
| 2 | Observer 1 | 100 | 25.23 | 0.85 (0.68–0.92) |
| Observer 2 | 100 | 20.26 | ||
| Observer 3 | 100 | 19.40 | ||
| Observer 4 | 100 | 18.22 | ||