Table 2 Demographic and clinicopathologic characteristics of the patients who underwent open and laparoscopic surgery
Open surgery | Laparoscopic surgery | P value | |
|---|---|---|---|
(n = 34) | (n = 25) | ||
Gender (%) | 0.284 | ||
Male | 26 (76.5) | 15 (60.0) | |
Female | 8 (23.5) | 10 (40.0) | |
Age at surgery (years), mean ± SD | 61.26 ± 12.00 | 61.96 ± 13.95 | 0.838 |
BMI (kg/m2), mean ± SD | 24.87 ± 3.69 | 23.98 ± 2.71 | 0.313 |
ASA score (%) | 0.184 | ||
II | 25 (73.5) | 23 (92.0) | |
III | 8 (23.5) | 2 (8.0) | |
IV | 1 (2.9) | 0 (0.0) | |
Year of surgery (%) | 0.229 | ||
1980–2010 | 2 (5.9) | 0 (0.0) | |
2010–2020 | 30 (88.2) | 21 (84.0) | |
2020-present | 2 (5.9) | 4 (16.0) | |
Type of previous operation (%) | < 0.001 | ||
Open surgery | 31 (91.2) | 6 (24.0) | |
Laparoscopic surgery | 3 (8.8) | 19 (76.0) | |
History of other abdominal surgery (%) | 0.222 | ||
No | 26 (76.5) | 23 (92.0) | |
Yes | 8 (23.5) | 2 (8.0) | |
Preoperative chemotherapy(%) | 0.619 | ||
No | 17 (50.0) | 15 (60.0) | |
Yes | 17 (50.0) | 10 (40.0) | |
Preoperative radiotherapy(%) | 1.000 | ||
No | 28 (82.4) | 21 (84.0) | |
Yes | 6 (17.6) | 4 (16.0) | |
Interval between operations (months), mean ± SD | 92.65 ± 103.50 | 94.68 ± 114.76 | 0.943 |
Tumor location (%) | 0.375 | ||
Right colon | 11 (32.4) | 5 (20.0) | |
Left colon | 10 (29.4) | 6 (24.0) | |
Rectum | 13 (38.2) | 14 (56.0) | |
Tumor size (cm), mean ± SD | 4.31 ± 3.03 | 3.11 ± 1.68 | 0.078 |
Gross classification (%) | 0.115 | ||
Mass type | 24 (70.6) | 15 (60.0) | |
Ulceration type | 7 (20.6) | 10 (40.0) | |
Infiltration type | 3 (8.8) | 0 (0.0) | |
Differentiation (%) | 1.000 | ||
p/d | 8 (23.5) | 6 (24.0) | |
w/d, m/d | 26 (76.5) | 19 (76.0) | |
T stage (%) | 0.121 | ||
1 | 6 (17.6) | 9 (36.0) | |
2 | 5 (14.7) | 7 (28.0) | |
3 | 13 (38.2) | 5 (20.0) | |
4 | 10 (29.4) | 4 (16.0) | |
N stage (%) | 0.414 | ||
0 | 25 (73.5) | 15 (60.0) | |
1,2 | 9 (26.5) | 10 (40.0) | |
M stage (%) | NA | ||
0 | 34 (100.0) | 25 (100.0) | |
1 | 0 (0.0) | 0 (0.0) | |
TNM stage (%) | 0.414 | ||
I,II | 25 (73.5) | 15 (60.0) | |
III | 9 (26.5) | 10 (40.0) |