Fibrosis related to the histological activity index (HAI) score of PCR positive patients (n=80)
| Fibrosis score | HAI score (0–4) | HAI score (5–9) |
| 0 | 32 (89%) | 4 (11%) |
| 1 | 14 (67%) | 7 (33%) |
| 2 | 2 (22%) | 7 (78%) |
| 3–6 | 1 (7%) | 13 (93%) |
| Total | 49 | 31 |
Data expressed as n (%).
Statistical analysis χ2; p=0.000.
PCR, polmerase chain reaction.