Table 5. Pack year multi-variable analysis.
In 2 groups, Pack year between 5 and 10 (OR = 1.683) and pack year greater than 10 (OR = 2.296) the risk of failure increases significantly in relation to non smokers.
| OR | 95% CI | P | |
|---|---|---|---|
| Non immediate implantation | 1 | ||
| Immediate implantation | 3.649 | [1.383–9.630] | 0.009 |
| Fixed prosthesis | 1 | ||
| Removable prosthesis | 2.035 | [1.120–3.698] | 0.20 |
| Maxilla | 1 | ||
| Mandible | 1.614 | [1.274–2.089] | <0.001 |
| Pack Year | |||
| Non smokers | 1 | ||
| x ≤ 1 | 1.044 | [0.610–1.788] | 0.875 |
| 1 < x ≤ 5 | 1.167 | [0.768–1.772] | 0.470 |
| 5 < x ≤ 10 | 1.683 | [1.187–2.387] | 0.003 |
| x > 10 | 2.296 | [1.662–3.172] | <0.0013 |