Table 1.
Patient characteristics at the time of recurrence before and after PSM
| Variables | Before matching | After matching | ||||
|---|---|---|---|---|---|---|
| RFA (n = 194) | RHR (n = 138) | P | RFA (n = 120) | RHR (n = 120) | P | |
| Age, y | 52.9 ± 11.8 | 50.1 ± 10.9 | .028 | 50.9 ± 11.6 | 50.3 ± 10.5 | .683 |
| Male sex | 172 (88.7) | 124 (89.9) | .730 | 104 (86.7) | 108 (90.0) | .421 |
| Hepatitis | ||||||
| HBV | 172 (88.7) | 126 (91.3) | .725 | 108 (90.0) | 112 (93.3) | .582 |
| HCV | 6 (3.1) | 3 (2.2) | 2 (1.7) | 2 (1.7) | ||
| Others | 16 (8.2) | 9 (6.5) | 10 (8.3) | 6 (5.0) | ||
| WBC, 109/L | 6.4 ± 1.8 | 6.4 ± 1.8 | .773 | 6.2 ± 1.7 | 6.3 ± 1.9 | .600 |
| PLT, 109/L | 166.0 ± 57.3 | 176.0 ± 64.8 | .138 | 162.2 ± 57.3 | 172.8 ± 65.5 | .187 |
| ALT, U/L | 55.0 ± 87.4 | 54.1 ± 137.8 | .942 | 60.3 ± 108.3 | 56.0 ± 147.1 | .794 |
| ALB, g/L | 41.8 ± 4.6 | 42.5 ± 3.6 | .176 | 42.0 ± 3.6 | 42.3 ± 3.6 | .428 |
| TBIL, μmol/L | 15.3 ± 8.9 | 14.9 ± 5.8 | .666 | 15.1 ± 8.5 | 15.0 ± 5.9 | .911 |
| AFP at recurrence, ng/mL | ||||||
| >20 | 71 (36.6) | 43 (31.2) | .304 | 50 (41.7) | 45 (37.5) | .509 |
| ≤20 | 123 (63.4) | 95 (68.8) | 70 (58.3) | 75 (62.5) | ||
| Child‐Pugh score at recurrence | ||||||
| 5 | 184 (94.8) | 136 (98.6) | .138 | 117 (97.5) | 119 (99.2) | .313 |
| 6 | 10 (5.2) | 2 (1.4) | 3 (2.5) | 1 (0.8) | ||
| Cirrhosis | 134 (69.1) | 96 (69.6) | .924 | 85 (70.8) | 86 (71.7) | .887 |
| Time to recurrence | ||||||
| >2 y | 67 (34.5) | 84 (60.9) | <.001 | 58 (48.3) | 73 (60.8) | .052 |
| ≤2 y | 127 (65.5) | 54 (39.1) | 62 (51.7) | 47 (39.2) | ||
| Tumor size at recurrence, cm | 1.9 ± 0.9 | 2.8 ± 1.9 | <.001 | 2.2 ± 1.0 | 2.4 ± 1.1 | .091 |
| Tumor number at recurrence | ||||||
| Solitary | 162 (83.5) | 112 (81.2) | .579 | 106 (88.3) | 106 (88.3) | 1.000 |
| Multiple | 32 (16.5) | 26 (18.8) | 14 (11.7) | 14 (11.7) | ||
Variables are expressed as the mean ± SD or n (%).
Abbreviations: AFP, α‐fetoprotein; ALB, albumin; ALT, alanine aminotransferase; PLT, platelet; PSM, propensity score matching; RFA, radiofrequency ablation; RHR, repeat hepatic resection; TBIL, total bilirubin; WBC, white blood cell.