Table 2.
Distribution of defects according to age and gender.
| Defect presence? | Gender |
Age |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Male |
Female |
Total |
8 |
11 |
Total |
|||||||
| n | (%) | n | (%) | n | (%) | n | (%) | n | (%) | n | (%) | |
| No defect | 595 | (78.3) | 577 | (76.8) | 1172 | (77.6) | 612 | (85.1) | 560 | (70.7) | 1172 | (77.6) |
| Only molar teeth defect | 27 | (3.6) | 29 | (3.9) | 56 | (3.7) | 12 | (1.7) | 44 | (5.6) | 56 | (3.7) |
| Only incisor teeth defect | 36 | (4.7) | 32 | (4.3) | 68 | (4.5) | 24 | (3.3) | 44 | (5.6) | 68 | (4.5) |
| MIH+ | 102 | (13.4) | 113 | (15.0) | 215 | (14.2) | 71 | (9.9) | 144 | (18.2) | 215 | (14.2) |
| Total | 760 | (100) | 751 | (100) | 1511 | (100) | 719 | (100) | 792 | (100) | 1511 | (100) |
| χ2 | 1.092 | 47.846 | ||||||||||
| p values | 0.779 | ≤0.001a | ||||||||||
a
Chi-square test. p≤0.001 MIH+: Affected.