Table 1.
Comparison of clinical outcomes between patients of the open and laparoscopic groups
| Open resection (n =233) | Laparoscopic resection (n = 227) | P | |
|---|---|---|---|
| Gender (M/F) | 122/111 | 117/110 | 0.8* |
| Mean age (yr) | 68.3 ± 0.9 | 70.0 ± 0.7 | 0.08§ |
| Operative Mortality (30 days) | 4 (1.7) | 3 (1.3) | 0.7* |
| Overall postoperative complications (%) | 41 (17.6) | 16 (7.0) | <0.01* |
| Total grade I | 5 (2.2) | 0 | |
| Wound infection | 5 | 0 | |
| Total grade II | 24 (10.3) | 9 (4.0) | |
| Urinary retention/infection | 1 | 0 | |
| Arrhythmia | 5 | 4 | |
| Pneumonia | 4 | 2 | |
| Ileus | 10 | 1 | |
| Deep vein thrombosis | 3 | 0 | |
| Cerebrovascular accident | 1 | 1 | |
| Pancreatitis | 0 | 1 | |
| Total Grade III | 11 (4.7) | 6 (2.6) | |
| Intestinal obstruction | 4 | 1 | |
| Gastrointestinal bleeding | 3 | 2 | |
| Anastomotic leak | 4 | 3 | |
| Total Grade IV | 1 (0.4) | 1(0.4) | |
| Cardiac failure | 1 | 1 | |
| Median hospital stay (days) | 9 (5-16) | 6 (3-10) | <0.05§ |
| Tumor site (%) | 0.9* | ||
| Proximal tumors | 130 (56.8) | 127 (56.0) | |
| Distal tumors | 103 (44.2) | 100 (44.0) | |
| Tumor type (%) | 0.7* | ||
| Adenocarcinoma | 190 (81.5) | 182 (80.2) | |
| Mucinous carcinoma | 43 (18.5) | 45 (19.8) | |
| Tumor differentiation (%) | 0.3° | ||
| Well differentiated | 25 (13.1) | 16 (7.0) | |
| Moderately differentiated | 152 (65.2) | 155 (68.2) | |
| Poorly differentiated | 13 (5.5) | 11 (4.9) | |
| Tumor stage (%) | <0.01° | ||
| I | 35 (15.0) | 64 (30.7) | |
| II | 123 (45.8) | 82 (35.1) | |
| III | 75 (35.9) | 81 (34.1) |
*Fisher’s exact test.
§Mann-Whitney test.
°Chi-square test.