Table 3.
Results of the Image Analysis for the Derivation and Validation Cohorts
| Derivation cohort, median (IQR) | Validation cohort, median (IQR) | P value | |
|---|---|---|---|
| Steatosis | Fat% | ||
| Grade 1 | 2.65 (1.7–3.8) | 2.5 (1.8–4.8) | .18 |
| Grade 2 | 15.1 (10.1–20.1) | 15.6 (9.8–20.7) | .42 |
| Grade 3 | 28.4 (20.2–31.9) | 26.1 (22.2–30.5) | .61 |
| Lobular inflammation | Inflammation% | ||
| Score 0 | 0.9 (0.35–1.7) | 1.3 (0.2–1.7) | .82 |
| Score 1 | 1.1 (0.7–3.3) | 1.2 (0.6–3.2) | .91 |
| Score 2 | 3.8 (3.15–4.17) | 2.85 (3.3–7.7) | .36 |
| Score 3 | 5.1 (N/A) | 4.7 (4.4–5) | .24 |
| Ballooning | Ballooning% | ||
| Score 0 | 4.9 (4.3–8.7) | 6.7 (2.8–8.8) | .2 |
| Score 1 | 17.8 (13.5–24) | 17.6 (13.5–22.8) | .79 |
| Score 2 | 23 (20.2–32.3) | 23.3 (15.9–28.8) | .37 |
| Fibrosis | CPA | ||
| 0 | 1.3 (0.6–2) | 2 (0.9–2.6) | .1 |
| 1 | 2.3 (1.9–4.3) | 2.1 (1.1–3.7) | .87 |
| 2 | 2.4 (2.6–3.6) | 2.1 (1.5–3.8) | .9 |
| 3 | 5.1 (2.8–8.2) | 5.5 (3.8–7.4) | .11 |
| 4 | 13 (5.5–20.9) | 11.1 (7.6–16.6) | .19 |
ballooning%, ballooning percentage; CPA, collagen proportionate area; Fat%, fat percentage; inflammation%, inflammation percentage; IQR, interquartile range.