TABLE 3.
Variables associated with survival (overall or recurrence-free) after liver transplantation for hepatocellular carcinoma
| Univariable | Multivariable | Final | ||||
|---|---|---|---|---|---|---|
| HR (95% CI) | P | HR (95% CI) | P | HR (95% CI) | P | |
| Overall survival | ||||||
| HCC group | ||||||
| Low-risk, no adjuvant sorafenib | Reference | Reference | ||||
| High-risk, no adjuvant sorafenib | 1.35 (0.74-2.46) | 0.32 | 0.99 (0.50-1.98) | 0.98 | ||
| Adjuvant sorafenib | 2.18 (0.89-5.37) | 0.09 | 1.31 (0.45-3.78) | 0.62 | ||
| Age at transplant, y | 1.03 (0.99-1.08) | 0.15 | 1.03 (0.98-1.07) | 0.26 | ||
| AFP at referral, ng/mL | 1.00 (1.00-1.00) | 0.56 | 1.00 (1.00-1.00) | 0.62 | ||
| Neoadjuvant LRT | ||||||
| No | Reference | Reference | ||||
| Yes | 1.75 (0.69-4.41) | 0.24 | 1.81 (0.71-4.65) | 0.22 | ||
| No. of tumor modules | 1.01 (0.98-1.05) | 0.43 | 0.98 (0.94-1.03) | 0.55 | ||
| Maximum tumor diameter, cm | 1.12 (1.03-1.23) | 0.01 | 1.12 (0.98-1.28) | 0.11 | 1.09 (0.99-1.19) | 0.07 |
| Lymphovascular invasion | ||||||
| Absent | Reference | Reference | Reference | |||
| Present | 2.75 (1.40-5.40) | 0.003 | 2.23 (0.97-5.13) | 0.06 | 2.35 (1.15-4.80) | 0.02 |
| Recurrence-free survival | ||||||
| HCC group | ||||||
| Low-risk, no adjuvant sorafenib | Reference | Reference | Reference | |||
| High-risk, no adjuvant sorafenib | 4.21 (1.65-10.76) | 0.003 | 2.90 (1.05-7.95) | 0.04 | 3.19 (1.20-8.45) | 0.02 |
| Adjuvant sorafenib | 8.05 (2.45-26.38) | <0.001 | 5.66 (1.51-21.16) | 0.01 | 6.99 (2.12-23.05) | 0.001 |
| Age at transplant, y | 1.00 (0.95-1.05) | 0.93 | 0.99 (0.94-1.05) | 0.72 | ||
| AFP at referral, ng/mL | 1.00 (1.00-1.00) | 0.73 | 1.00 (1.00-1.00) | 0.67 | ||
| Neoadjuvant LRT | ||||||
| No | Reference | Reference | ||||
| Yes | 1.67 (0.50-5.56) | 0.40 | 1.66 (0.47-5.85) | 0.43 | ||
| No. of tumor modules | 1.03 (1.00-1.07) | 0.04 | 0.99 (0.94-1.04) | 0.64 | ||
| Maximum tumor diameter, cm | 1.24 (1.13-1.37) | <0.001 | 1.20 (1.02-1.41) | 0.03 | 1.19 (1.07-1.33) | 0.002 |
| Lymphovascular invasion | ||||||
| Absent | Reference | Reference | ||||
| Present | 4.19 (1.83-9.60) | <0.001 | 1.77 (0.67-4.64) | 0.247 | ||
Bold values denote P < 0.05.
AFP, alpha-fetoprotein; CI, confidence interval; HCC, hepatocellular carcinoma; HR, hazard ratio; LRT, locoregional therapy.