Table 3 Subgroup analysis of patients, who would potentially qualify for laparoscopic surgery vs. patients, who underwent laparoscopic surgery
Characteristic | Patients total open (n = 114) | Patients total lap (n = 24) | p value | ||
|---|---|---|---|---|---|
No. | % | No. | % | ||
Sex | |||||
Male | 66 | 57.9 | 12 | 50.0 | n.s. |
Female | 48 | 42.1 | 12 | 50.0 | |
Age [years] | |||||
Median | 71.4 | 61.3 | 0.01 | ||
Average ± SD | 71.4 ± 12.6 | 63.9 ± 13.7 | |||
Range | 18.7–90.3 | 17.4–85.7 | |||
BMI | |||||
Median | 24.8 | 24.9 | n.s. | ||
Average ± SD | 25.7 ± 4.4 | 25.6 ± 5.5 | |||
Range | 17.1–37.6 | 19.3–47 | |||
ASA | |||||
I | 2 | 1.8 | 0 | 0.0 | n.s. |
II | 66 | 57.9 | 20 | 83.3 | |
III | 42 | 36.8 | 4 | 16.7 | |
IV | 4 | 3.5 | 0 | 0.0 | |
pUICC stage | |||||
0 | 12 | 10.5 | 21 | 87.5 | < 0.001 |
I | 21 | 18.4 | 3 | 12.5 | |
II | 42 | 36.8 | 0 | 0.0 | |
III | 35 | 30.7 | 0 | 0.0 | |
IV | 4 | 3.5 | 0 | 0.0 | |
pT stage | |||||
0 | 12 | 10.5 | 21 | 87.5 | < 0.001 |
1 | 9 | 7.9 | 3 | 12.5 | |
2 | 16 | 14.0 | 0 | 0.0 | |
3 | 59 | 51.8 | 0 | 0.0 | |
4 | 18 | 15.8 | 0 | 0.0 | |
pN stage | |||||
0 | 78 | 68.4 | 24 | 100.0 | 0.006 |
1 | 19 | 16.7 | 0 | 0.0 | |
2 | 17 | 14.9 | 0 | 0.0 | |
pM stage | |||||
0 | 110 | 96.5 | 24 | 100.0 | n.s. |
1 | 4 | 3.5 | 0 | 0.0 | |
Number lymph nodes resected | |||||
Median | 34.5 | 21 | < 0.001 | ||
Average ± SD | 35.9 ± 13.1 | 21 ± 5.3 | |||
Range | 13–73 | 12–30 | |||
OP time [min] | |||||
Median | 109.5 | 143 | < 0.001 | ||
Average ± SD | 114.1 ± 31.5 | 149.4 ± 30.2 | |||
Range | 61–207 | 114–254 | |||
LOS [days] | |||||
Median | 11 | 7.5 | 0.013 | ||
Average ± SD | 14.87 ± 10.6 | 9.3 ± 4.9 | |||
Range | 4–56 | 5–28 | |||
ICU [days] (n = 252) | |||||
Median | 1 | 0 | n.s. | ||
Average ± SD | 1.8 ± 4.5 | 0.375 ± 0.65 | |||
Range | 0–41 | 0–2 | |||