Table 2.
Three-dimensional positions of the clavicle center and scapula center
| Mean ± SD | Sex difference | ICC (95% CI) | ||||||
|---|---|---|---|---|---|---|---|---|
| Total | Male | Female | P value | Intrarater | Interrater | |||
| Supine position | Clavicle | Inferior (mm) | − 23.3 ± 6.0 | − 26.0 ± 5.6 | − 21.4 ± 5.5 | .026* | 0.996 (0.989–0.998) | 0.908 (0.718–0.966) |
| Posterior (mm) | 20.0 ± 6.5 | 21.5 ± 7.1 | 18.9 ± 5.8 | < .001*** | 0.998 (0.994–0.999) | 0.986 (0.966–0.995) | ||
| Lateral (mm) | 85.4 ± 6.5 | 91.3 ± 4.6 | 81.5 ± 4.4 | < .001*** | 0.999 (0.999–1.000) | 0.987 (0.966–0.995) | ||
| Scapula | Inferior (mm) | 4.4 ± 10.8 | 1.9 ± 11.4 | 6.0 ± 10.0 | < .001*** | 0.977 (0.944–0.991) | 0.978 (0.945–0.991) | |
| Posterior (mm) | 74.2 ± 10.7 | 81.4 ± 9.8 | 69.4 ± 8.3 | .016* | 0.996 (0.989–0.998) | 0.997 (0.992–0.999) | ||
| Lateral (mm) | 143.2 ± 10.6 | 153.4 ± 7.0 | 136.4 ± 6.2 | < .001*** | 0.998 (0.994–0.999) | 0.995 (0.872–0.999) | ||
| Standing position | Clavicle | Inferior (mm) | − 14.2 ± 6.1 | − 16.9 ± 5.8 | − 12.5 ± 5.6 | .004** | 0.997 (0.993–0.999) | 0.978 (0.707–0.994) |
| Posterior (mm) | 24.0 ± 7.7 | 26.1 ± 9.2 | 22.6 ± 6.3 | < .001*** | 0.996 (0.990–0.998) | 0.967 (0.918–0.987) | ||
| Lateral (mm) | 86.7 ± 7.5 | 93.1 ± 4.6 | 82.4 ± 5.8 | < .001*** | 0.997 (0.992–0.999) | 0.958 (0.897-0.983) | ||
| Scapula | Inferior (mm) | 22.0 ± 10.6 | 19.2 ± 11.3 | 23.8 ± 9.8 | < .001*** | 0.986 (0.967–0.995) | 0.994 (0.984–0.998) | |
| Posterior (mm) | 82.0 ± 13.5 | 90.9 ± 13.6 | 76.1 ± 9.8 | .009** | 0.989 (0.974–0.996) | 0.995 (0.988–0.998) | ||
| Lateral (mm) | 138.5 ± 11.0 | 148.7 ± 7.7 | 131.7 ± 6.8 | < .001 *** | 0.998 (0.995–0.999) | 0.991 (0.908–0.998) | ||
SD, standard deviation; ICC, intraclass correlation coefficient; CI, confidence interval
*P < .05
**P < .01
***P < .001