Table 1.
Baseline characteristics of patients who had laparoscopic or open surgery.
| Characteristics | Laparoscopic group (n = 12) | Open group (n = 24) | p value |
|---|---|---|---|
| Age(years) | 69.4 ± 9.1 | 63.3 ± 12.3 | 0.10 |
| Gender (M/F) | 6/6 | 13/11 | 0.82 |
| BMI (kg/m2) | 22.9 ± 4 | 23.8 ± 3.7 | 0.56 |
| ASA classification | 0.65 | ||
| class I | 6 (50.0) | 14 (58.3) | |
| class II | 6 (50.0) | 10 (42.7) | |
| Tumor diameter (cm) | 2.2 ± 1.4 | 2.7 ± 1.1 | 0.31 |
| Number of liver metastases | 1.3 ± 0.5 | 1.5 ± 0.7 | 0.13 |
| Primary tumor site | 0.06 | ||
| Right colon | 3 (25.0) | 3 (12.5) | |
| Left colon | 5 (41.7) | 8 (33.3) | |
| Rectum | 4 (33.3) | 13 (54.2) | |
| Preoperative chemotherapy | 2 (16.7) | 4 (16.7) | |
| Preoperative laboratory | |||
| Hematocrit (%) | 33.5 ± 3.7 | 37.5 ± 5.1 | 0.34 |
| White blood cell (*1000/mm3) | 6.5 ± 2.2 | 7.4 ± 2.9 | 0.33 |
| Platelets (*1000/mm3) | 261 ± 148 | 295 ± 108 | 0.49 |
| Total bilirubin (mg/dl) | 0.4 ± 0.2 | 0.6 ± 0.3 | 0.17 |
| AST (IU/L) | 21.3 ± 8.4 | 20.9 ± 7.5 | 0.90 |
| ALT (IU/L) | 16.3 ± 8.6 | 17.3 ± 9.3 | 0.76 |
| Albumin (mg/dl) | 3.5 ± 0.9 | 3.8 ± 0.5 | 0.28 |
| Creatinine (mg/dl) | 0.9 ± 0.2 | 0.9 ± 0.2 | 0.91 |
| INR | 1.0 ± 0.1 | 1.1 ± 0.1 | 0.39 |
| CEA at diagnosis (ng/dl) | 21.2 ± 39.3 | 137.9 ± 269.5 | 0.05 |
Data are shown as number (%) or mean ± standard deviations BMI, Body mass index.
ASA, American society of Anesthesiologists physical status; AST, aspartate aminotransferase; ALT, alanine aminotransferase; INR, international normalized ratio; CEA,carcinoembryonic antigen.