Table 1.
Intra-rater and inter-rater evaluations and corresponding differences of craniocervical ranges measured by the hybrid device.
| First Rater First Evaluation in Degrees (95% CI) | First Rater Second Evaluation in Degrees (95% CI) | Second Rater First Evaluation in Degrees (95% CI) | Intra-Rater Mean Difference in Degrees (95% CI) | p Value | Inter-Rater Mean Difference in Degrees (95% CI) | p Value | |
|---|---|---|---|---|---|---|---|
| Flexion | 41.80 (37.70 to 45.90) |
41.63 (37.78 to 45.47) |
41.46 (37.58 to 45.34) |
−0.17 (−1.23 to 0.89) |
0.748 | −0.34 (−1.14 to 0.46) |
0.397 |
| Extension | 51.48 (47.56 to 55.40) |
50.87 (47.39 to 54.36) |
52.09 (48.36 to 55.83) |
−0.60 (−1.72 to 0.50) |
0.275 | 0.60 (−0.55 to 1.77) |
0.296 |
| Side-bending to right | 34.51 (32.78 to 36.23) |
33.75 (31.78 to 35.72) |
34.09 (32.12 to 36.06) |
−0.75 (−1.47 to −0.04) |
0.038 * | −0.41 (−1.32 to 0.49) |
0.360 |
| Side-bending to left | 31.34 (29.48 to 33.19) |
31.53 (29.59 to 33.47) |
32.31 (30.34 to 34.29) |
0.19 (−0.46 to 0.85) |
0.555 | 0.97 (0.26 to 1.68) |
0.008 * |
| Rotating to right | 50.80 (48.16 to 53.44) |
50.56 (47.96 to 53.16) |
48.19 (45.62 to 50.76) |
−0.24 (−0.98 to 0.49) |
0.510 | −2.60 (−5.95 to 0.73) |
0.122 |
| Rotating to left | 47.82 (45.51 to 50.14) |
48.90 (46.43 to 51.37) |
48.19 (45.62 to 50.76) |
1.07 (0.18 to 1.96) |
0.019 * | 0.36 (−0.36 to 1.09) |
0.314 |
Note: * indicates p < 0.05.