Table 1.
Comparison between soft tissue measurements of Class III and Class I females at rest
| Measurement (mm) | Class I (n=15) | Class III (n=15) | Mean difference (mm) | 95% CI for Difference | P | Effect size (d) | |||
|---|---|---|---|---|---|---|---|---|---|
|
|
|
|
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| Mean (mm) | SD | Mean (mm) | SD | Lower bound | Upper bound | ||||
| At rest | |||||||||
| Upper lip length | 19.72 | 2.03 | 16.44 | 2.17 | 3.28 | 1.71 | 4.85 | <0.001* | 1.561 |
| Upper lip thickness | 6.29 | 1.18 | 6.14 | 1.49 | 0.15 | -0.85 | 1.16 | 0.757 | 0.112 |
| Inter-commissural distance | 52.08 | 6.04 | 40.47 | 3.44 | 11.61 | 7.94 | 15.29 | <0.001* | 2.362 |
| Lower facial height | 61.65 | 6.31 | 52.31 | 4.88 | 9.34 | 5.13 | 13.56 | <0.001* | 1.656 |
| Lower lip thickness | 16.20 | 2.04 | 15.93 | 2.46 | 0.27 | -1.43 | 1.96 | 0.749 | 0.118 |
| Lower lip length | 23.9 | 1.93 | 22.47 | 3.76 | 1.43 | -0.8 | 3.67 | 0.199 | 0.480 |
| Chin height | 37.09 | 3.76 | 43.93 | 5.32 | 6.84 | -10.29 | -3.4 | <0.001* | 1.486 |
*Significant at P≤0.05