Table 2.
Univariate Analysis | Multivariate Analysis | |||||
---|---|---|---|---|---|---|
Variable | No. of Patients | 5‐Year Survival Rate, % | MST, mo | P | HR (95% CI) | P |
Tumor size, cm | ||||||
≤2 | 27 | 82.4 | ND | .011a | 2.487 (0.912‐6.780) | .075 |
>2 | 392 | 40 | 29 | |||
No. of tumors | ||||||
Solitary | 316 | 53.5 | ND | < .001a | 2.570 (1.814‐3.643) | < .001a |
Multiple | 103 | ND | 15.2 | |||
Portal vein invasion | ||||||
Absent | 210 | 52.1 | ND | .009a | ||
Present | 209 | 34.2 | 25.5 | |||
Hepatic vein invasion | ||||||
Absent | 300 | 46.1 | 36.6 | .007a | ||
Present | 119 | ND | 19.4 | |||
Arterial invasion | ||||||
Absent | 386 | 44.9 | 36.6 | .003a | ||
Present | 33 | ND | 16.6 | |||
Biliary invasion | ||||||
Absent | 192 | 44.9 | 43.5 | .07 | ||
Present | 227 | ND | 26.2 | |||
Major biliary invasion | ||||||
Absent | 344 | 46.5 | 36.6 | .004a | ||
Present | 75 | ND | 20.3 | |||
Serosal invasion | ||||||
Absent | 258 | 48.3 | 43.5 | .001a | ||
Present | 161 | 35.2 | 21.4 | |||
Lymph node metastasis | ||||||
Negative | 267 | 58.4 | ND | < .001a | 2.818 (1.992–3.987) | < .001a |
Positive | 152 | 11.1 | 16.0 | |||
Distant metastasis | ||||||
Negative | 412 | 44.2 | 34.7 | < .001a | 2.940 (1.258–6.869) | .01a |
Positive | 7 | 0 | 4.2 |
Abbreviations: CI, confidence interval; HR, hazard ratio; MST, medial survival time; ND, not determined.
This P value indicates a statistically significant difference.