Table 3.
Clinical characteristics | Training cohort | Validation cohort | |||||
---|---|---|---|---|---|---|---|
SHI ≤ 2.84 (N = 19) | SHI > 2.84 (N = 169) | P | SHI ≤ 2.84 (N = 13) | SHI > 2.84 (N = 164) | P | ||
Age | ≤ 50 | 7 | 62 | 1.000 | 7 | 61 | 0.250 |
>50 | 12 | 107 | 6 | 103 | |||
Sex | Female | 4 | 22 | 0.307a | 1 | 31 | 0.468a |
Male | 15 | 147 | 12 | 133 | |||
AFP, ng/mL | ≤ 400 | 11 | 128 | 0.104 | 7 | 123 | 0.110 |
>400 | 8 | 41 | 6 | 41 | |||
ALT, U/L | ≤ 75 | 19 | 158 | 0.607a | 9 | 90 | 0.392a |
>75 | 0 | 11 | 4 | 74 | |||
HBsAg | Negative | 1 | 21 | 0.704a | 0 | 21 | 0.370a |
Positive | 18 | 148 | 13 | 143 | |||
Liver cirrhosis | No | 5 | 35 | 0.561 | 2 | 41 | 0.737a |
Yes | 14 | 134 | 11 | 123 | |||
No. of tumor | Single | 18 | 133 | 0.130a | 10 | 138 | 0.450a |
Multiple | 1 | 36 | 3 | 26 | |||
Tumor size, cm | ≤ 5 | 9 | 110 | 0.139 | 6 | 101 | 0.378 |
>5 | 10 | 59 | 7 | 63 | |||
Tumor encapsulation | Complete | 9 | 105 | 0.225 | 11 | 110 | 0.232a |
None | 10 | 64 | 2 | 54 | |||
Satellite lesion | No | 17 | 148 | 1.000a | 12 | 149 | 1.000a |
Yes | 2 | 21 | 1 | 15 | |||
Vascular invasion | No | 10 | 108 | 0.453 | 4 | 100 | 0.042a |
Yes | 9 | 61 | 9 | 64 | |||
Tumor differentation | I–II | 11 | 105 | 0.805 | 7 | 107 | 0.548 |
III–IV | 8 | 64 | 6 | 57 | |||
Child-Pugh score | A | 16 | 161 | 0.086a | 11 | 148 | 0.625a |
B | 3 | 8 | 2 | 16 | |||
BCLC stage | 0+A | 16 | 121 | 0.289a | 8 | 131 | 0.156 |
B+C | 3 | 48 | 5 | 33 |
AFP, α-fetoprotein; ALT, alanine aminotransferase; HBsAg, hepatitis B surface antigen; BCLC, Barcelona Clinic Liver Cancer; SLI, systemic hepatic-damage index.
Fisher exact test. Bold value represents significant (P < 0.05).