Table 4.
Statistical metrics from Bland–Altman analysis of the intrarater measurements in chronic CCFP patients and asymptomatic subjects
| Groups | Measures | 48 hours (trial 1–trial 2)
|
9 days (trial 2–trial 3)
|
||||
|---|---|---|---|---|---|---|---|
| Mean differences ± SD | 95% CI for mean differences | LOA (lower limit–upper limit) | Mean differences ± SD | 95% CI for mean differences | LOA (lower limit–upper limit) | ||
| CCFP patients | HP (cm) | 0.17±0.77 | −0.03 to 0.37 | –1.34 to 1.67 | 0.21±1.06 | −0.06 to 0.48 | −1.86 to 2.28 |
| SMD (mm) | −2.03±7.92 | −4.08 to 0.01 | −17.56 to 13.49 | 0.83±8.82 | −1.45 to 3.11 | −16.46 to 18.12 | |
| Asymptomatic subjects | HP (cm) | −0.19±0.79 | −0.41 to 0.04 | −1.73 to 1.36 | – | – | – |
| SMD (mm) | −2.47±3.89 | −3.58 to –1.37 | −10.10 to 5.16 | – | – | – | |
Abbreviations: CCFP, cervico-craniofacial pain; CI, confidence interval; HP, head posture; LOA, limits of agreement; SD, standard deviation; SMD, sternomental distance.