Table 3 Risk factors for tooth loss according to Cox hazards regression analysis
Variable | Hazard ratio | 95% CI | p value |
|---|---|---|---|
Year | 1.064 | 1.052, 1.076 | < 0.001 |
Sex (women) | 0.780 | 0.585, 1.039 | 0.089 |
Smoking | 2.180 | 1.613, 2.946 | < 0.001 |
Diabetes mellitus | 2.244 | 1.426, 3.533 | < 0.001 |
DMFT | 1.025 | 1.001, 1.050 | 0.040 |
PPD | 2.169 | 1.671, 2.817 | < 0.001 |
Molar | 1.619 | 1.256, 2.089 | < 0.001 |
Prosthesis | 1.875 | 1.234, 2.849 | 0.003 |
Non-vital teeth | 3.309 | 2.159, 5.070 | < 0.001 |