Table 3.

Overall incidence of HCC (per 1000 person years) and estimated hazard ratios according to disease status and matching status by Cox method (excluding HCC occurrence within 1 years after the index date).

	HPV Infection
Variable	No	Yes
Model 3: Matched by age, sex, index date, low income, living area, and comorbidities
Person years	46,206	13,301
Event, n	292	70
Rate	6.32	5.26
cHR (95% CI)	1 (reference)	0.82 (0.64, 1.07)
aHR (95% CI) a	1 (reference)	0.74 (0.57, 0.97) *

^a Adjusting for age, gender, comorbidities, and medications; cHR, crude hazard ratio; aHR, adjusted hazard ratio; * p < 0.05.