Table 2 Results of bivariate analysis referring to bleeding on probing
Variable | Odds ratio | 95% CI | p value |
|---|---|---|---|
Gingival biotype | |||
Thick | 1.000 | – | – |
Thin | 1.467 | 1.040–2.069 | 0.029 |
Gingival recession | |||
Absent | 1.000 | – | – |
Present | 2.601 | 1.817–3.722 | < 0.001 |
Bone loss | |||
Absent | 1.000 | – | – |
Present | 1.778 | 1.108–2.852 | 0.017 |
Pocket depth | 1.975 | 1.713–2.276 | < 0.001 |
Duration of implant (months) | 0.981 | 0.966–0.997 | 0.021 |
Position of implant | |||
Upper right posterior | 1.000 | – | – |
Lower left anterior | 0.000 | 0.000 | 0.999 |
Lower left posterior | 1.010 | 0.636–1.605 | 0.966 |
Lower right anterior | 0.000 | 0.000 | 0.999 |
Lower right posterior | 0.584 | 0.352–0.969 | 0.037 |
Upper left anterior | 0.000 | 0.000 | 0.999 |
Upper left posterior | 2.571 | 1.363–4.850 | 0.004 |
Upper right anterior | 0.643 | 0.288–1.433 | 0.280 |
Gender | |||
Female | 1.000 | – | – |
Male | 1.357 | 1.006–1.832 | 0.046 |
Ethnicity | |||
Chinese | 1.000 | – | – |
Indian | 1.581 | 1.039–2.405 | 0.032 |
Malay | 1.185 | 0.796–1.765 | 0.402 |
Systemic disease | 1.327 | 0.982–1.793 | 0.065 |
Smokers | 0.288 | 0.151–0.549 | < 0.001 |
Age | 1.027 | 1.012–1.042 | < 0.001 |