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Incidence of HBV reactivation in each observation year
| Year of observation | Number of cases | Sample size (person-years) | Incidence (/100 person-years) | Use of NAAs | |
|---|---|---|---|---|---|
| Reactivated cases | 1 | 23 | 1127 | 2.04 | 5 |
| 2 | 17 | 977 | 1.74 | 3 | |
| 3 | 9 | 779 | 1.16 | 2 | |
| 4 | 8 | 565 | 1.42 | 1 | |
| Total | 57 | 3448 | 1.65 | 11 | |
| Patients with HBV DNA ≥ 2.1 log copies/mL | 1 | 3 | 1127 | 0.27 | 4 |
| 2 | 5 | 996 | 0.50 | 2 | |
| 3 | 5 | 802 | 0.62 | 1 | |
| 4 | 2 | 599 | 0.33 | 1 | |
| Total | 15 | 3524 | 0.43 | 8 |
Abbreviations: HBV DNA hepatitis B virus DNA, NAA nucleic acid analog
