Table 4 Concordance between NASH predicted by NashTest and predicted by biopsy
NashTest diagnosis | Histological Diagnosis | ||||||||
|---|---|---|---|---|---|---|---|---|---|
Training Group n = 160 | Validation Group n = 97 | All patients n = 257 | |||||||
No NASH | Borderline | NASH | No NASH | Borderline | NASH | No NASH | Borderline | NASH | |
No NASH | 20 | 7 | 0 | 29 | 4 | 8 | 49 | 11 | 8 |
Borderline | 34 | 61 | 17 | 12 | 16 | 17 | 46 | 77 | 34 |
NASH | 3 | 7 | 11 | 0 | 1 | 10 | 3 | 8 | 21 |
Kappa Statistic | 0.28 ± 0.05 | 0.36 ± 0.06 | 0.33 ± 0.04 | ||||||
Discordance one class | 65/160 = 41% | 34/97 = 35% | 99/257 = 39% | ||||||
Discordance two classes | 3/160 = 2% | 8/97 = 9% | 11/257 = 4% | ||||||