Table 1 Baseline patient characteristics
Variables | Total patients (n=22) |
|---|---|
Age‡ , years | 56 (26-66) |
Sex* | |
Male : Female | 10 (45.5) : 12 (54.5) |
BMI‡, kg/m2 | 23.2 (16.2-32.2) |
ASA score* | |
1 | 5 (22.7) |
2 | 12 (54.5) |
3 | 5 (22.7) |
History of previous abdominal surgery* | 14 (63.6) |
Preoperative resection of primary cancer* | 12 (54.5) |
Primary cancer origin* | |
Cecal cancer | 2 (9.1) |
Ascending colon cancer | 5 (22.7) |
Descending colon cancer | 2 (9.1) |
Sigmoid colon cancer | 8 (36.4) |
Rectosigmoid junction cancer | 1 (4.5) |
Rectal cancer | 4 (18.2) |
Primary cancer histologic grade* | |
well-differentiated | 0 |
moderate-differentiated | 20 (90.9) |
poorly-differentiated | 1 (4.5) |
Mucinous | 0 |
signet ring cell | 0 |
Unknown | 1 (4.5) |
Preoperative chemotherapy* | 20 (90.9) |
1st line | 16 (72.7) |
2nd line | 3 (13.6) |
3rd line | 1 (4.5) |
Preoperative laboratory findings‡ | |
CEA , ng/mL | 11.9 (0.6-408.6) |
CA 19-9 , U/mL | 34.7 (0.8-2606.8) |
Hemoglobin , g/dL | 12.7 (9.8-14.5) |
Albumin , g/dL | 4.2 (3.5-4.5) |
Total bilirubin , mg/dL | 0.6 (0.3-1.2) |
AST , IU/L | 25.5 (17-85) |
ALT , IU/L | 21 (9-56) |
Biomarker* | |
K-ras mutation | 14 (63.6) |
K-ras wild type | 8 (36.4) |
Number of liver metastases‡ | 3 (1-13) |
The largest diameter of liver metastases‡, cm | 1.4 (1-5) |
Location of liver metastases* | |
Right lobe | 15 (68.2) |
Left lobe | 2 (9.1) |
Both lobes | 5 (22.7) |