Table 5 Means and standard deviations of variables in each cluster
From: Classification and characterization of class III malocclusion in Chinese individuals
Variables | Cluster 1 | Cluster 2 | Cluster 3 | Cluster 4 |
|---|---|---|---|---|
Frequency | 48 | 38 | 46 | 12 |
Proportions | (33.33 %) | (26.39 %) | (31.94 %) | (8.33 %) |
Age | 21.29 ± 3.85 | 24.21 ± 5.03 | 21.87 ± 4.38 | 25.67 ± 4.10 |
Sex(m/f) | 22/26 | 18/20 | 15/31 | 3/9 |
SNA(°) | 81.50 ± 3.57 | 80.08 ± 2.78 | 82.95 ± 3.28 | 79.95 ± 3.72 |
SNB(°) | 83.70 ± 4.06 | 83.08 ± 3.12 | 84.40 ± 3.83 | 85.01 ± 4.38 |
ANB(°) | −2.20 ± 2.07 | −3.02 ± 1.98 | −1.46 ± 1.72 | −5.06 ± 1.77 |
Wits(°) | −7.56 ± 4.02 | −7.48 ± 3.66 | −7.77 ± 3.40 | −5.98 ± 3.42 |
FH-MP(°) | 30.95 ± 5.49 | 24.16 ± 5.32 | 26.82 ± 5.01 | 18.23 ± 3.98 |
UI-SN (°) | 118.25 ± 6.07 | 108.85 ± 5.94 | 112. 80 ± 4.85 | 119.69 ± 8.29 |
LI-MP (°) | 84.00 ± 8.35 | 88.47 ± 8.31 | 82.12 ± 7.96 | 88.19 ± 3.90 |