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Analysis of the risk of developing oral lichen planus/oral lichenoid lesion in cohort I (patients who were vaccinated against hepatitis B) and cohort II (individuals who were not vaccinated against hepatitis B)
| Risk analysis | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Cohort | Patients in cohort | Patients with outcome | Risk | ||||||
| I | Hepatitis B vaccine | 112,444 | 423 | 0.376% | |||||
| II | No hepatitis B vaccine | 112,444 | 316 | 0.281% | |||||
| CI95% | p | ||||||||
| Risk difference | 0.1% | (0.001–0.002) | <0.001 | ||||||
| Risk ratio | 1.400 | (1.210–1.619) | |||||||
| Odds ratio | 1.401 | (1.211–1.622) | |||||||
