| Before propensity score matching | After propensity score matching | ||||
---|---|---|---|---|---|---|
LRH (n = 48) | ORH (n = 31) | P-value | LRH (n = 17) | ORH (n = 17) | P-value | |
Tumor size (cm) | 2.3 ± 1.0 | 4.2 ± 2.7 | < 0.01 | 2.9 ± 0.9 | 2.8 ± 1.4 | 0.79 |
Number of tumors | Â | Â | 0.13 | Â | Â | 0.67 |
 Single | 42 (87.5) | 23 (74.2) |  | 14 (82.4) | 13 (76.5) |  |
 Multiple | 6 (12.5) | 8 (25.8) |  | 3 (17.6) | 4 (23.5) |  |
Location (Couinaud section) | Â | Â | 0.70 | Â | Â | 0.23 |
 Segments II, III, IV, V, VI | 32 (66.7) | 18 (58.1) |  | 11 (64.7) | 6 (35.3) |  |
 Segments VII, VIII, I | 12 (25.0) | 9 (29.0) |  | 5 (29.4) | 9 (52.9) |  |
 Bilober | 4 (8.3) | 4 (12.9) |  | 1 (5.9) | 2 (11.8) |  |
Pathological diagnosis | Â | Â | - | Â | Â | - |
 HCC | 36 (75.0) | 26 (83.9) |  | 13 (76.5) | 14 (82.4) |  |
 ICC | 3 (6.3) | 2 (6.5) |  | 1 (5.9) | 1 (5.9) |  |
 CRLM | 8 (16.6) | 2 (6.5) |  | 3 (17.6) | 2 (11.8) |  |
 Hepatic benign tumor | 1 (2.1) | 1 (3.2) |  | 0 | 0 |  |