Table 5. Hazard ratios of periodontitis stratified analysis by follow up period.a.
| Hazard ratio (95% CI) | ||||
|---|---|---|---|---|
| All types of periodontitis | Moderate/severe periodontitis | |||
| 0–11 months from index date | ≧12 months from index date | 0–11 months from index date | ≧12 months from index date | |
| Exposure group | ||||
| Comparison | Reference | Reference | Reference | Reference |
| Psoriasis | 0.80 (0.65–1.00) | 1.05 (0.96–1.15) | 0.66 (0.33–1.32) | 0.89 (0.67–1.18) |
| Psoriatic arthritis | 0.65 (0.36–1.19) | 1.34 (1.09–1.65) | 1.09 (0.27–4.47) | 1.79 (1.03–3.13) |
Notes.
a
All models were adjusted for age, sex, co-morbidities, and frequency of dental visit within 365 days prior to index date.