Table 3.
Univariate logistic regression for association of diverse variables with apical periodontitis
| Variables | Total N (%) | Periapical Status | β | OR | CI at 95% | p-value | |
|---|---|---|---|---|---|---|---|
| AP absent n (%) | AP present n (%) | ||||||
| Age Category (Years) | |||||||
| 18–29 | 68 (22.7) | 51 (75.0) | 17 (25.0) | 1 | Reference | ||
| 30–39 | 61 (20.3) | 43 (70.7) | 18 (29.5) | 0.22 | 1.25 | 0.57–2.73 | 0.566 |
| 40–49 | 51 (17.0) | 27 (52.9) | 24 (47.0) | 0.98 | 2.66 | 1.22–5.79 | 0.013 |
| 50–59 | 55 (18.3) | 40 (72.7) | 15 (27.3) | 0.11 | 1.12 | 0.50–2.52 | 0.775 |
| ≥ 60 | 65 (21.7) | 44 (67.7) | 21 (32.3) | 0.35 | 1.43 | 0.67–3.04 | 0.352 |
| Sex | |||||||
| Male | 128 (42.7) | 77 (60.1) | 51 (39.8) | 1 | Reference | ||
| Female | 172 (57.3) | 128 (74.4) | 44 (25.6) | -0.65 | 0.51 | 0.31–0.84 | 0.009* |
| Tooth Type | |||||||
| Incisors | 48 (16.0) | 38 (79.1) | 10 (20.9) | 1 | Reference | ||
| Canines | 14 (4.7) | 10 (71.4) | 4 (28.5) | 0.41 | 1.52 | 0.39–5.87 | 0.544 |
| Premolars | 75 (25.0) | 53 (70.7) | 22 (29.3) | 0.45 | 1.57 | 0.67–3.71 | 0.297 |
| Molars | 163 (54.3) | 104 (63.8) | 59 (36.2) | 0.76 | 2.15 | 1.002–4.63 | 0.049 |
| Root Canal Treatment Quality | |||||||
| Adequate | 137 (45.7) | 123 (89.8) | 14 (10.2) | 1 | Reference | ||
| Inadequate | 163 (54.3) | 82 (50.3) | 81 (49.7) | 2.16 | 8.67 | 4.61–16.33 | < 0.001* |
| Coronal Restoration Quality | |||||||
| Adequate | 138 (46.0) | 117 (84.8) | 21 (15.2) | 1 | Reference | ||
| Inadequate | 162 (54.0) | 88 (54.3) | 74 (45.7) | 1.54 | 4.68 | 2.68–8.18 | < 0.001* |
| Coronal Restoration Type | |||||||
| Lost Restoration | 46 (15.3) | 17 (36.9) | 29 (63.1) | 1 | Reference | ||
| Crown | 126 (42.0) | 93 (73.8) | 33 (26.2) | -1.57 | 0.20 | 0.10–0.42 | < 0.001* |
| Filling | 128 (42.7) | 95 (74.2) | 33 (25.8) | -1.59 | 0.20 | 0.09–0.41 | < 0.001* |
Abbreviations: AP, apical periodontitis; CI, confidence interval; OR, odds ratio. *Statistically significant