Table 3.
Mean, standard deviation (SD) and coefficient of variation (CoV) results for repeated cephalometric measurements for the three volunteers on lateral cephalogram
| Measurements | Patient | ||||||||
| 1 | 2 | 3 | |||||||
| Mean | SD | CoV | Mean | SD | CoV | Mean | SD | CoV | |
| Angles | |||||||||
| SNA | 83.2 | 0.4 | 0.5 | 89.0 | 0.0 | 0.0 | 85.8 | 0.8 | 0.9 |
| SNB | 78.8 | 0.4 | 0.5 | 90.8 | 0.4 | 0.5 | 81.8 | 0.8 | 0.9 |
| ANB | 4.3 | 0.5 | 10.8 | 1.8 | 0.4 | 22.5 | 4.0 | 0.0 | 0.0 |
| Interincisal | 114.0 | 7.2 | 6.3 | 136.4 | 1.4 | 1.0 | 157.2 | 1.6 | 1.0 |
| U1-NA | 29.6 | 3.9 | 13.2 | 28.4 | 0.8 | 2.9 | 7.6 | 0.5 | 6.5 |
| L1-NB | 32.2 | 4.6 | 14.2 | 16.4 | 1.4 | 8.4 | 13.0 | 1.4 | 11.0 |
| Distances | |||||||||
| U1-NA | 3.7 | 0.3 | 7.4 | 5.8 | 0.4 | 6.9 | 1.4 | 0.3 | 24.7 |
| L1-NB | 5.6 | 0.3 | 4.5 | 0.9 | 0.2 | 24.8 | 2.0 | 0.3 | 14.0 |
| S-N | 68.0 | 0.3 | 0.4 | 63.2 | 0.3 | 0.4 | 68.5 | 0.5 | 0.7 |
| PNS-ANS | 52.9 | 1.2 | 2.2 | 49.2 | 0.8 | 1.6 | 50.5 | 0.6 | 1.2 |
| S-ANS | 84.8 | 1.7 | 2.0 | 79.8 | 0.4 | 0.4 | 87.3 | 0.4 | 0.5 |
| Me-ANS | 62.9 | 0.2 | 0.4 | 62.1 | 0.2 | 0.4 | 62.6 | 0.7 | 1.1 |
| N-Pog | 99.7 | 0.6 | 0.6 | 98.7 | 0.7 | 0.7 | 105.9 | 1.6 | 1.5 |
1, incisor; A, A point; ANS, anterior nasal spine; B, B point; Gn, gonion; L, lower; Me, menton; N, nasion; PNS, posterior nasal spine; Pog, pogonion; S, sella; U, upper.