Table 3.
Multiple linear backward regression models for quantitative parameters.
| Model (dependent variable, adjusted R2) | β | 95% CI | P-value |
|---|---|---|---|
| Model 1 (Miniscrew length in bone, 0.058) | |||
| Constant | 7.43 | 6.99–7.88 | -- |
| Maxillary anterior teeth crowding | −0.10 | −0.19–(−0.01) | .047; S |
| Model 2 (Percentage of total miniscrew length in bone, 0.124) | |||
| Constant | 76.17 | 73.30–79.04 | -- |
| Maxillary anterior teeth crowding | −0.90 | −1.53–(−0.27) | .006; S |
| Model 3 (Miniscrew perforation length in the nasal cavity) | |||
| Constant | 0.268 | -- | -- |
Age, sex, maxillary incisor inclination, maxillary anterior teeth crowding, and maxillary intercanine width were entered as explanatory variables; CI, confidence interval; S, statistically significant.