Table 1 Cephalometric profile of the cranial base and jaw base in a Southern Chinese sample
From: The relationship between the cranial base and jaw base in a Chinese population
Class I (n=27) | Class II (n=30) | Class III (n=26) | Total (n=83) | P value (ANOVA) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean | SD | Mean | SD | Mean | SD | Mean | SD | |||||
Cranial base | Angular measurements (o) | NSBa | 130.0 | 4.4 | 131.9 | 5.2 | 127.0 | 3.7 | 130.0 | 4.9 | 0.001 | *** |
SBaFH | 58.7 | 4.6 | 57.1 | 4.1 | 59.2 | 3.3 | 58.2 | 4.1 | 0.125 | ns | ||
Linear measurements (mm) | SN | 70.1 | 4.4 | 70.4 | 2.8 | 68.7 | 3.3 | 69.8 | 3.6 | 0.177 | ns | |
SBa | 49.5 | 4.4 | 49.9 | 3.4 | 48.2 | 3.3 | 49.3 | 3.8 | 0.216 | ns | ||
NBa | 108.4 | 5.8 | 109.7 | 4.0 | 105.0 | 5.4 | 107.8 | 5.4 | 0.003 | ** | ||
Jaw base | Angular measurements (o) | SNA | 81.1 | 3.0 | 82.1 | 3.1 | 82.1 | 3.9 | 81.8 | 3.3 | 0.474 | ns |
SNB | 78.3 | 3.1 | 75.9 | 3.0 | 84.3 | 5.2 | 79.3 | 5.2 | 0.000 | *** | ||
ANB | 2.8 | 1.2 | 6.2 | 1.3 | -2.4 | 3.0 | 2.4 | 4.0 | 0.000 | *** | ||
MMPA | 27.0 | 2.3 | 26.4 | 2.4 | 24.1 | 2.4 | 25.9 | 2.6 | 0.000 | *** | ||
Linear measurement (mm) | Wits | -3.5 | 3.5 | 1.6 | 2.6 | -7.6 | 8.3 | -2.9 | 6.4 | 0.000 | *** | |
Max length | 87.9 | 4.6 | 89.7 | 3.8 | 85.6 | 4.1 | 87.8 | 4.5 | 0.002 | ** | ||
M and length | 122.0 | 7.1 | 117.4 | 7.0 | 126.4 | 9.0 | 121.7 | 8.4 | 0.000 | *** | ||