Table 1 The reliability for the measurement of various cephalometric variables
Parameter | Method error | Mode of variance | Reliability |
|---|---|---|---|
SNA (°) | 0.52 | 3.66 | 0.92 |
Maxillary length (mm) | 0.68 | 19.84 | 0.98 |
Effective maxillary length (mm) | 0.46 | 21.15 | 0.99 |
SNB (°) | 0.45 | 2.77 | 0.93 |
Mandibular length (mm) | 0.49 | 19.44 | 0.99 |
Effective mandibular length (mm) | 0.84 | 37.04 | 0.98 |
FMA(°) | 0.35 | 14.23 | 0.99 |
Depth of the nasopharynx [DNP] (mm) | 0.54 | 19.40 | 0.99 |
Height of the nasopharynx [HNP] (mm) | 0.61 | 3.61 | 0.90 |
Depth of the oropharynx [DOP] (mm) | 0.57 | 9.06 | 0.96 |
Depth of the hypopharynx [DHP] (mm) | 0.54 | 12.41 | 0.98 |
Soft palate length [SPL] (mm) | 1.00 | 11.26 | 0.91 |
Soft palate thickness [SPT] (mm) | 0.38 | 1.51 | 0.90 |
Soft palate inclination [SPI] (°) | 1.67 | 32.01 | 0.91 |
PPWT 1 at nasopharyngeal space 1 (mm) | 0.69 | 9.82 | 0.95 |
PPWT 2 at nasopharyngeal space 2 (mm) | 0.65 | 7.36 | 0.94 |
PPWT 3 at oropharyngeal space 1 (mm) | 0.60 | 1.57 | 0.77 |
PPWT 4 at oropharyngeal space 2 (mm) | 0.53 | 6.36 | 0.96 |
PPWT 5 at hypopharyngeal space 1 (mm) | 0.29 | 0.77 | 0.89 |
PPWT 6 at hypopharyngeal space 2 (mm) | 0.30 | 1.15 | 0.92 |