Table 4.
Univariate and multivariate analysis of recurrence-free survival for HCC patients in the PSM cohort.
| Univariate analysis | Multivariate analysis | |||||
|---|---|---|---|---|---|---|
| Characteristics | HR | 95% CI | P | HR | 95% CI | P |
| Group (3D vs.2D) | 0.84 | (0.72–0.99) | 0.043 | 0.82 | (0.70–0.97) | 0.020 |
| Age (≥60 vs. <60 years) | 0.87 | (0.73–1.03) | 0.109 | |||
| Sex (Female vs. Male) | 0.93 | (0.76–1.15) | 0.511 | |||
| Hepatitis (Presence vs. Absence) | 1.14 | (0.94–1.37) | 0.185 | |||
| Cirrhosis (Yes vs. No) | 1.04 | (0.88–1.23) | 0.623 | |||
| AFP (≥400 vs. <400 ng/mL) | 1.06 | (0.89–1.25) | 0.533 | |||
| Surgical approach (OH vs. LH) | 0.91 | (0.76–1.09) | 0.309 | |||
| Resection approach (AR vs. NAR) | 0.76 | (0.62–0.92) | 0.006 | 0.72 | (0.59–0.88) | 0.001 |
| Blood transfusion (Yes vs. No) | 1.27 | (1.06–1.53) | 0.011 | 1.22 | (1.01–1.47) | 0.039 |
| Resection margin (≥10 vs. <10 mm) | 1.04 | (0.86–1.26) | 0.681 | |||
| Differentiation (Poor vs. Well-Moderated) | 1.18 | (0.99–1.40) | 0.066 | |||
| MVI (Positive vs. Negative) | 1.09 | (0.92–1.29) | 0.330 | |||
| Tumor diameter (≥5 vs. <5 cm)a | 1.54 | (1.30–1.83) | <0.001 | 1.55 | (1.30–1.84) | <0.001 |
| Tumor number (Multiple vs. Single) | 1.11 | (0.90–1.38) | 0.327 | |||
a
Tumor diameter refers to the maximum tumor diameter that can be obtained at the time of preoperative evaluation.
2D, two-dimensional; 3D, three-dimensional; AFP, α-fetoprotein; AR, anatomical resection; HR, hazard ratio; LH, laparoscopic hepatectomy; MVI, microvascular invasion; NAR, nonanatomical resection; OH, open hepatectomy; PSM, propensity score matching.