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The intraobserver reliability analysis for the measurement of the IT. Each observer measured the IT (N = 12) and the interclass correlation coefficient was calculated. The numerical value shows the gamma of the interclass correlation coefficient and the range of the 95 % confidence interval
| Interclass correlation coefficient | |
|---|---|
| Observer 1 (N = 12) | 0.89 (0.79–0.94) |
| Observer 2 (N = 12) | 0.87 (0.76–0.93) |
| Observer 3 (N = 12) | 0.87 (0.77–0.93) |
