Distribution of SAF score per disease category
| Presumably normal liver | NAFL | NASH | |||||
|---|---|---|---|---|---|---|---|
| Normal (n=141) | Normal+* (n=38) | NAFL (n=87) | NAFL+† (n=253) | NASH (n=136) | NASH+‡ (n=143) | Total (n=798) | |
| Steatosis | |||||||
| S0 | 141 | 38 | – | – | – | – | 179 (22.4%) |
| S1 | – | – | 71 | 95 | 17 | 17 | 200 (25.1%) |
| S2 | – | – | 11 | 101 | 68 | 62 | 242 (30.3%) |
| S3 | – | – | 5 | 57 | 51 | 64 | 177 (22.2%) |
| Activity | |||||||
| A0 | 141 | 27 | 87 | 68 | – | – | 323 (40.5%) |
| A1 | – | 11 | – | 167 | – | – | 178 (22.3%) |
| A2 | – | – | – | 18 | 136 | – | 154 (19.3%) |
| A3 | – | – | – | – | – | 107 | 107 (13.4%) |
| A4 | – | – | – | – | – | 36 | 36 (4.5%) |
| Fibrosis | |||||||
| F0 | 141 | 10 | 87 | 56 | 21 | 15 | 330 (41.3%) |
| F1 | – | 25 | – | 145 | 54 | 56 | 280 (35.0%) |
| F2 | – | 3 | – | 42 | 47 | 37 | 129 (16.1%) |
| F3 | – | – | – | 10 | 11 | 32 | 53 (6.6%) |
| F4 | – | – | – | – | 3 | 3 | 6 (0.8%) |
*Normal+=presumably normal liver with mild lesions but no steatosis.
†NAFL+=steatosis with associated lesions but not NASH.
‡NASH+=NASH with A>2.
NAFL, non-alcoholic fatty liver; NASH, non-alcoholic steatohepatitis.