Table 4.
Relation between center of gravity and Angle's class.
| Center of gravity anterior N (%) | Center of gravity posterior N (%) | Center of gravity central N (%) | Association strength—£ | |
|---|---|---|---|---|
| Right molar | ||||
| Class 1 | 26 (21.84) | 19 (15.96) | 74 (62.18) | p = 0.000 |
| Class 2 | 234 (93.9) | 11 (4.5) | 4 (1.6) | 0.449 |
| Class 3 | 4 (9.8) | 37 (90.2) | 0 | |
| Left molar | ||||
| Class 1 | 12 (13.8) | 17 (19.5) | 58 (66.6) | p = 0.000 |
| Class 2 | 259 (90.2) | 21 (7.3) | 7 (2.4) | 0.525 |
| Class 3 | 1 (2.9) | 34 (97.1) | 0 | |
| Right canine | ||||
| Class 1 | 27 (15.08) | 29 (16.20) | 134 (74.86) | p = 0.000 |
| Class 2 | 173 (96.6) | 5 (2.8) | 1 (0.6) | 0.359 |
| Class 3 | 6 (15.0) | 34 (85.0) | 0 | |
| Left canine | ||||
| Class 1 | 29 (17.57) | 36 (21.81) | 100 (60.60) | p = 0.000 |
| Class 2 | 192 (94.1) | 8 (3.9) | 4 (2.0) | 0.477 |
| Class 3 | 1 (2.5) | 39 (97.5) | 0 | |
£
, Cramer's V; the statistically significant differences are shown in bold letters.