Variables | Non-PPOI group (n = 476) | PPOI group (n = 72) | p |
---|---|---|---|
Sex [n (%)] | 0.261 | ||
Male | 291 (61.1%) | 39 (54.2%) | |
Female | 185 (38.9%) | 33 (45.8%) | |
Age [median (IQR), years] | 64.5 [58–70] | 66.5 [61–71.15] | 0.043 |
Smoking history [n (%)] | 121 (25.4%) | 20 (27.8%) | 0.67 |
Drinking history [n (%)] | 59 (12.4%) | 11 (15.3%) | 0.495 |
Hypertension [n (%)] | 133 (27.9%) | 21 (29.2%) | 0.829 |
Diabetes [n (%)] | 59 (12.4%) | 5 (6.9%) | 0.186 |
Respiratory disease [n (%)] | 48 (10.1%) | 6 (8.3%) | 0.642 |
Cardiac disease [n (%)] | 29 (6.1%) | 4 (5.6%) | 1a |
Previous abdominal surgery [n (%)] | 80 (16.8%) | 19 (26.4%) | 0.049 |
Preoperative chemotherapy [n (%)] | 44 (9.2%) | 8 (11.1%) | 0.614 |
Preoperative radiotherapy [n (%)] | 37 (7.1%) | 7 (9.7%) | 0.438 |
ASA score [n (%)] | 0.874 | ||
I | 271 (56.9%) | 41 (56.9%) | |
II | 171 (35.9%) | 27 (37.5%) | |
III | 34 (7.1%) | 4 (5.6%) | |
Hypoproteinemia [n (%)] | 36 (7.6%) | 12 (16.7%) | 0.011 |
Anemia [n (%)] | 81 (17.0%) | 19 (26.4%) | 0.055 |
Body mass index [mean (SD), kg/m2] | 24.35 ± 3.52 | 24.83 ± 3.69 | 0.287 |
Hypokalaemia [n (%)] | 21 (4.4%) | 7 (9.7%) | 0.078a |
VFA [median (IQR), cm2] | 126.2 (80.4–182.6) | 139.3 (94.8–189.1) | 0.183 |
SMA [mean (IQR), cm2] | 116.4 (98.0–139.0) | 124.3 (103.7–148.6) | 0.092 |
MFA [mean (IQR), cm2] | 17.2 (11.6–23.7) | 19.4 (13.1–25.7) | 0.066 |
Tumor height [median (IQR), cm] | 6 (5–8) | 5.5 (5–7.9) | 0.342 |
Interspinous distance [median (IQR), cm] | 100.3 (92.7–110.2) | 101.8 (94.7–116.1) | 0.201 |
Intertuberous distance [median (IQR), cm] | 116.3 (106.9–127.5) | 115.5 (106.2–130.0) | 0.712 |
Narrow pelvis [n (%)] | 43 (9.0%) | 10 (13.9%) | 0.194 |