Table 1 Patient characteristics in this study
| Â | Total (n = 115) |
|---|---|
Age at surgery (years) | Â |
 Median (IQR) | 67 (27–85) |
Gender, n (%) | Â |
 Male | 79 (69) |
 Female | 36 (31) |
Serum albumin level (g/dl) | Â |
 Median (IQR) | 4.1 (3.2–5.0) |
ASA score, n (%) | Â |
 1 | 32 (28) |
 2 | 75 (65) |
 3 | 8 (7) |
PNI | Â |
 Median (IQR) | 47.7 (35.9–59.2) |
CRP (mg/dl) | Â |
 Median (IQR) | 0.90 (0.01–4.24) |
mGPS, n (%) | 0 |
 0 | 93 (81) |
 1 | 18 (16) |
 2 | 4 (3) |
BMI | Â |
 Median (IQR) | 21.3 (14.7–30.4) |
Primary tumour location, n (%) | Â |
 Colon | 77 (67) |
 Rectum | 38 (33) |
Tumour location, n (%) | Â |
 Unilobe | 16 (14) |
 Bilobe | 99 (86) |
Tumour size (mm) | Â |
 Median (IQR) | 28 (5–120) |
Number of tumours | Â |
 Median (IQR) | 3 (1–30) |
Detection of metastasis, n (%) | Â |
 Synchronous | 60 (52) |
 Metachronous |  |
CEA (ng/dl) | Â |
 Median (IQR) | 5.5 (1.1–855) |
CA19-9 (mU/l) | Â |
 Median (IQR) | 26 (1–2368) |
Preoperative chemotherapy, n (%) | Â |
 Yes | 71 (62) |
 No | 44 (38) |
Postoperative chemotherapy, n (%) | Â |
 Yes | 48 (42) |
 No | 67 (58) |
Other organ metastasis at hepatectomy, n (%) | Â |
 Yes | 20 (17) |
Surgical margin, n (%) | Â |
 Positive | 21 (18) |
 Negative | 94 (82) |
Surgical procedure, n (%) | Â |
 Major resection | 34 (30) |
 Minor resection | 81 (70) |
Synchronous resection for primary tumour, n (%) | Â |
 Yes | 9 (8) |
Operation time (min) | Â |
 Median (IQR) | 431 (198–797) |
Operative blood loss (ml) | Â |
 Median (IQR) | 524 (0–2257) |
Postoperative complications, n (%) | Â |
 Clavien-Dindo grade II | 20 (17) |
 Clavien-Dindo grade III or IV | 12 (10) |