Table 2.
Operative characteristics of HCCA patients with PVR and non-PVR.
| Variables | Total | Non-PVR | PVR | P |
|---|---|---|---|---|
| (n = 317) | (n = 255) | (n = 62) | ||
| Blood loss (mL) | 771.32 ± 604.98 | 744.06 ± 575.95 | 887.27 ± 709.34 | 0.102 |
| Tumor diameter (cm) | 5.38 ± 18.36 | 5.32 ± 19.32 | 5.60 ± 14.06 | 0.918 |
| Bismuth ≥ III, n (%) | 224 (71.57) | 168 (66.93) | 56 (90.32) | <0.001 |
| Large-scale liver resection, n (%) | 197 (69.61) | 144 (64.57) | 53 (88.33) | <0.001 |
| Blood transfusion, n (%) | 192 (61.34) | 151 (59.92) | 41 (67.21) | 0.294 |
| Portal vein invasion, n (%) | 102 (32.18) | 43 (16.86) | 59 (95.16) | <0.001 |
| Hepatic artery invasion, n (%) | 76 (23.97) | 43 (16.86) | 33 (53.23) | <0.001 |
| Hepatic artery reconstruction, n (%) | 28 (8.83) | 14 (5.49) | 14 (22.58) | <0.001 |
| Poor differentiation, n (%) | 61 (19.93) | 48 (19.59) | 13 (21.31) | 0.764 |
| Lymph node metastasis, n (%) | 115 (36.51) | 86 (33.99) | 29 (46.77) | 0.061 |
| Ki67 (%) | 21.75 ± 15.41 | 22.53 ± 15.40 | 18.89 ± 15.31 | 0.198 |
| Endoscopic vascular invasion, n (%) | 31 (9.84) | 23 (9.06) | 8 (13.11) | 0.339 |
| Endoscopic nerve invasion, n (%) | 134 (42.81) | 110 (43.65) | 24 (39.34) | 0.542 |
HCCA, hilar cholangiocarcinoma; PVR, portal vein reconstruction.