NAS (0~8分) | 肝细胞脂肪变性 | <5% | 0 |
5%~33% | 1 | ||
34%~66% | 2 | ||
>67% | 3 | ||
小叶内炎症 (200倍镜下计数坏死灶) | 无 | 0 | |
<2 | 1 | ||
2-4 | 2 | ||
>4 | 3 | ||
肝细胞气球样变 | 无 | 0 | |
少见 | 1 | ||
多见 | 2 |