Table 2. Rate of ochratoxin A-positive samples and risk of hepatocellular carcinoma in patients presenting ochratoxin A levels above or below the cut-off of 0.207 (calculated by the receiver operating characteristic curves) compared with controls.
| OTA exposure index | HCC patients | Controls | OR1 | 95% Cl2 | ||
| N | % | N | % | |||
| High | 32 | 82 3 | 7 | 32 | 9.795918 | 2.9095 to 32.9816 |
| Low | 7 | 16 | 15 | 68 | ||
1
OR relative to an increase of 1 standard deviation among controls.
2
P = 0.0006.
3
P<0.001 Compared to the control group.
OR: Odd ratio.
CI: Confidence interval; OTA: Ochratoxin A.