Table 3.
The numbers and percentages of individual tooth agenesis in males and females
| Tooth number | Gender | Total tooth number | Ranking (frequency) | Chi-square value | P value | Adjusted odds ratio (95% CI) | P valuec | |
|---|---|---|---|---|---|---|---|---|
| Males | Females | |||||||
| n (% of males) | n (% of females) | n (% of total) | ||||||
| #11 | 0 (0) | 0 (0) | 0 (0) | – | – | – | – | |
| #12 | 8 (21.6) | 11 (17.2) | 19 (8.6) | 4th | 0.302 | 0.583a | 0.74 (0.27–2.05) | 0.560 |
| #13 | 1 (2.7) | 2 (3.1) | 3 (1.4) | 13th | – | 1.000b | 1.44 (0.12–17.16) | 0.773 |
| #14 | 3 (8.1) | 7 (10.9) | 10 (4.5) | 8th | – | 0.742b | 1.51 (0.36–6.34) | 0.575 |
| #15 | 5 (13.5) | 5 (7.8) | 10 (4.5) | 8th | – | 0.491b | 0.53 (0.14–1.97) | 0.342 |
| #16 | 0 (0) | 0 (0) | 0 (0) | – | – | – | – | |
| #17 | 0 (0) | 0 (0) | 0 (0) | – | – | – | – | |
| #21 | 1 (2.7) | 1 (1.6) | 2 (0.9) | 14th | – | 1.000b | 0.83 (0.05–14.48) | 0.900 |
| #22 | 10 (27.0) | 6 (9.4) | 16 (7.3) | 6th | 5.48 | 0.019a | 0.26 (0.09–0.81) | 0.020 |
| #23 | 0 (0) | 1 (1.6) | 1 (0.5) | 15th | – | 1.000b | - | - |
| #24 | 3 (8.1) | 7 (10.9) | 10 (4.5) | 8th | – | 0.742b | 1.42 (0.34–5.88) | 0.631 |
| #25 | 5 (13.5) | 7 (10.9) | 12 (5.4) | 7th | – | 0.755b | 0.81 (0.24–2.78) | 0.737 |
| #26 | 1 (2.7) | 0 (0) | 1 (0.5) | 15th | – | 0.366b | – | – |
| #27 | 0 (0) | 0 (0) | 0 (0) | – | – | – | – | |
| #31 | 3 (8.1) | 2 (3.1) | 5 (2.3) | 12th | – | 0.353b | 0.35 (0.05–2.21) | 0.263 |
| #32 | 5 (13.5) | 13 (20.3) | 18 (8.2) | 5th | 0.74 | 0.390a | 1.63 (0.53–5.00) | 0.398 |
| #33 | 0 (0) | 0 (0) | 0 (0) | – | – | – | – | |
| #34 | 2 (5.4) | 7 (10.9) | 9 (4.1) | 9th | – | 0.480b | 2.28 (0.44–11.76) | 0.324 |
| #35 | 11 (29.7) | 16 (25.0) | 27 (12.3) | 3rd | 0.268 | 0.605a | 0.79 (0.32–1.95) | 0.607 |
| #36 | 0 (0) | 0 (0) | 0 (0) | – | – | – | – | |
| #37 | 0 (0) | 0 (0) | 0 (0) | – | – | – | – | |
| #41 | 3 (8.1) | 4 (6.3) | 7 (3.2) | 10th | – | 0.705b | 0.73 (0.15–3.49) | 0.698 |
| #42 | 7 (18.9) | 26 (40.6) | 33 (15) | 1st | 5.022 | 0.025a | 2.90 (1.11–7.61) | 0.030 |
| #43 | 1 (2.7) | 2 (3.1) | 3 (1.4) | 13th | – | 1.000b | 1.77 (0.15–21.47) | 0.656 |
| #44 | 3 (8.1) | 3 (4.7) | 6 (2.7) | 11th | – | 0.666b | 0.57 (0.11–3.01) | 0.509 |
| #45 | 11 (29.7) | 17 (26.6) | 28 (12.7) | 2nd | 0.117 | 0.732a | 0.86 (0.35–2.10) | 0.734 |
| #46 | 0 (0) | 0 (0) | 0 (0) | – | – | – | – | |
| #47 | 0 (0) | 0 (0) | 0 (0) | – | – | – | – | |
| Total n (% of total) | 83 (37.7) | 137 (62.3) | 220 (100) | |||||
aChi-square test. bFisher exact test. A significant difference (P < 0.05) indicates in bold italics
cMultivariate logistic regression analysis, adjusted by age. The male gender was the reference group