Table 6.
Comparisons of incidence of HCC in different follow-up time.
| Non-HPV Infection | HPV Infection | Crude | Adjusted | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Variable | Event | Person Year | IR | Event | Person Year | IR | HR (95% CI) | p-Value | HR (95% CI) | p-Value |
| Follow-up (year) | ||||||||||
| <1 | 34 | 7772 | 4.37 | 6 | 1959 | 3.06 | 0.70 (0.29, 1.66) | 0.41 | 0.69 (0.29,1.65) | 0.41 |
| 1–3 | 108 | 12,846 | 8.41 | 19 | 3445 | 5.52 | 0.66 (0.40, 1.07) | 0.09 | 0.61 (0.37, 0.99) | 0.04 |
| 3–5 | 78 | 9425 | 8.28 | 14 | 2716 | 5.15 | 0.62 (0.35, 1.10) | 0.10 | 0.55 (0.31, 0.97) | 0.04 |
| ≥5 | 106 | 16,582 | 6.39 | 37 | 5243 | 7.06 | 1.12 (0.77, 1.62) | 0.57 | 0.97 (0.67, 1.42) | 0.89 |
IR, incidence rate per 1000 person years; HR, hazard ratio; CI, confidence interval; Adjusted HR: adjusted for age, sex, comorbidities, and medications in Cox proportional hazards regression.