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Intrarater reliability between the smartphone and standard goniometer for pronation and supination shown as ICC, 95% confidence interval.
| Goniometer ICC (95% CI) | iPhone ICC (95% CI) | |
|---|---|---|
| Pronation | ||
| Tester 1 | ICC = 0.68 (0.50-0.81) | ICC = 0.76 (0.61-0.85) |
| Tester 2 | ICC = 0.39 (0.06-0.64) | ICC = 0.66 (0.42-0.82) |
| Supination | ||
| Tester 1 | ICC = 0.64 (0.44-0.78) | ICC = 0.77 (0.63-0.86) |
| Tester 2 | ICC = 0.80 (0.63-0.90) | ICC = 0.60 (0.33-0.78) |
ICC, intraclass correlation coefficient; CI, confidence interval.
