Table 1.
Univariate analysis of clinicopathological variables associated with the prognosis of PCCCL
| Parameters | Cases | Median survival time (95% CI) (mo) | χ2-value | P-value |
| AFP range (ng/mL) | ||||
| ≥ 200 | 26 | 31 (27.302-34.698) | 1.413 | 0.285 |
| < 200 | 38 | 49 (42.211-55.789) | ||
| Liver cirrhosis (+) | ||||
| Positive | 56 | 31 (28.013-33.987) | 6.032 | 0.014 |
| Negative | 8 | 43 (38.303-47.697) | ||
| Capsule formation | ||||
| Positive | 46 | 61 (53.106-68.894) | 10.241 | 0.001 |
| Negative | 18 | 19 (16.690-21.310) | ||
| Number of nodules | ||||
| Single | 44 | 61 (53.014-68.986) | 4.028 | 0.045 |
| Multiple | 20 | 11 (9.675-12.325) | ||
| Child-Pugh classification | ||||
| A | 35 | 60 (51.023-68.977) | 11.330 | 0.003 |
| B or C | 21 | 25 (23.302-28.698) | ||
| Vascular invasion | ||||
| Positive | 30 | 27 (23.346-30.654) | 11.755 | 0.001 |
| Negative | 34 | 41 (35.437-46.563) | ||
| lymph node metastases | ||||
| Positive | 12 | 31 (26.012-35.988) | 0.023 | 0.880 |
| Negative | 52 | 40 (37.342-44.658) | ||
| TNM staging | ||||
| I, II | 12 | 43 (39.211-46.789) | 16.192 | 0.001 |
| III, IV | 52 | 27 (25.371-28.629) | ||
| Proportion of clear cells | ||||
| ≥ 70% | 36 | 41 (35.535-46.465) | 7.342 | 0.006 |
| < 70% | 28 | 19 (16.964-21.036) | ||
PCCCL: Primary clear cell carcinoma of the liver.