Table 3. Comparisons of the diagnostic accuracy between US and SIHBV for fatty liver.
Steatosis percentage | Number | Diagnosis by US |
Diagnosis by SIHBV |
Chi square test | P value | ||
---|---|---|---|---|---|---|---|
n | present | absent | present | absent | |||
0–5.0% | 246 | 8 (3.3%) | 238 (96.7%) | 16 (6.5%) | 230 (93.5%) | 2.8 | 0.094 |
5.0–9.9% | 55 | 16 (29.1%) | 39 (70.9%) | 35 (63.6%) | 20 (36.4%) | 13.08 | 0.001 |
10.0–19.9% | 24 | 11 (45.8%) | 13 (54.2%) | 19 (79.2%) | 5 (20.8%) | 5.57 | 0.018 |
20.0–32.9% | 12 | 7 (58.3%) | 5 (41.7%) | 10 (83.3%) | 2 (16.7%) | 1.74 | 0.187 |
33.0–100.0% | 27 | 22 (81.5%) | 5 (18.4%) | 22 (81.5%) | 5 (18.4%) | 0 | 1 |
Total correct rate | 364 | 294 (80.8%) | 316 (86.8%) | 4.89 | 0.027 |
Note: Diagnosis of fatty liver by SIHBV was defined as predictive probability value ≥0.5.