Table 1:
Baseline and operative characteristics
| West (n=210) | East (n=164) | P-value | |
|---|---|---|---|
| Age, median (IQR) | 65 (56–71) | 68 (64–73) | < 0.001 |
| Male gender, n (%) | 141 (67) | 116 (71) | 0.501 |
| BMI, kg/m2, median (IQR) | 25 (23–28) | 22 (21–24) | < 0.001 |
|
ASA score,
n (%)
1 2 3 4 |
32 (15) 116 (55) 60 (29) 2 (1) |
28 (17) 127 (77) 9 (6) 0 (0) |
< 0.001 |
| Bilirubin at presentation, μmol/L, median (IQR) | 68 (19–197) | 57 (27–144) | 0.962 |
| Jaundice at presentation, n (%) | 154 (73) | 82 (50) | < 0.001 |
|
Directly preoperative bilirubin, μmol/L, median
(IQR) |
15 (9–32) | 14 (10–21) | 0.170 |
|
Preoperative biliary drainage,
n (%)
None Percutaneous Endoscopic Both |
40 (19) 29 (14) 84 (40) 57 (27) |
20 (12) 14 (9) 115 (70) 15 (9) |
< 0.001 |
| Preoperative cholangitis, n (%) | 68 (32) | 65 (40) | 0.193 |
| Total liver volume, mL, median (IQR) | 1863 (1539–2112) | 1147 (1016–1310) | < 0.001 |
| Future liver remnant volume, mL, median (IQR) | 956 (650–1318) | 583 (490–723) | < 0.001 |
| Future liver remnant share, %, median (IQR) | 50 (35–74) | 49 (43–63) | 0.823 |
| Portal vein embolization, n (%) | 14 (7) | 90 (55) | < 0.001 |
|
Type of resection,
n (%)
Left hemihepatectomy Extended left hemihepatectomy Right hemihepatectomy Extended right hemihepatectomy Central hepatectomy or segmentectomy |
81 (39) 20 (10) 43 (21) 60 (29) 6 (3) |
54 (33) 12 (7) 91 (56) 5 (3) 2 (1) |
< 0.001 |
| Portal vein reconstruction, n (%) | 42 (20) | 93 (57) | < 0.001 |
| Hepatic artery reconstruction, n (%) | 0 (0) | 18 (11) | < 0.001 |