Table 4.
Summary of Multiple Stepwise Logistic Regression Analysis for Variables Predicting Gingival Recession Development at T5a
|
|
B |
SE |
P
|
OR |
95% CI |
| Constant | 4.2 | 3.3 | |||
| Orthodontic treatment (yes) | 0.2 | 0.6 | .74 | 1.2 | 0.4–3.7 |
| Treatment type (extraction) | 0.4 | 0.6 | .43 | 1.6 | 0.5–4.5 |
| Fixed lingual retainer (yes) | 0.3 | 0.5 | .61 | 1.3 | 0.5–3.5 |
| Gender (male) | 0.8 | 0.4 | .05 | 2.3 | 1.0–5.3 |
| Age at T5 | −0.3 | 0.2 | .11 | 0.8 | 0.6–1.1 |
| Little irregularity index at T0b | 0.0 | 0.1 | .78 | 1.0 | 0.9–1.2 |
| Overbite at T0 | −0.1 | 0.2 | .70 | 0.9 | 0.7–1.3 |
| Overjet at T0 | −0.2 | 0.1 | .15 | 0.9 | 0.7–1.1 |
| Angle Class II | 0.1 | 0.4 | .75 | 1.2 | 0.5–2.7 |
a
Negelkerke Pseudo R2 = 0.107; P =.268; 70% correctly classified cases.
b
T0 indicates before treatment; T5, 5 years after debonding; B, logistic coefficient; SE, standard error; P, significance level; OR, odds ratio; 95% CI, 95% confidence interval.