Variables
|
No EPSBO (n = 379)
|
EPSBO (n = 45)
|
P value
|
---|
Age (years)
|
65 (57-72)
|
64 (61-66)
|
0.466
|
Gender
| | |
0.013
|
Male
|
187 (85.8%)
|
31 (14.2%)
| |
Female
|
192 (93.2%)
|
14 (6.8%)
| |
Anemia
| | |
0.117
|
Yes
|
189 (87.1%)
|
28 (12.9%)
| |
No
|
190 (91.8%)
|
17 (8.2%)
| |
Preoperative obstruction
| | |
0.356
|
Yes
|
109 (91.6%)
|
10 (8.4%)
| |
No
|
270 (88.5%)
|
35 (11.5%)
| |
Hypertension
| | |
0.779
|
Yes
|
74 (90.2%)
|
8 (9.8%)
| |
No
|
305 (89.2%)
|
37 (10.8%)
| |
Diabetes
| | |
0.623
|
Yes
|
49 (87.5%)
|
7 (12.5%)
| |
No
|
330 (89.7%)
|
38 (10.3%)
| |
BMI (kg/m2)
| | |
0.356
|
≤ 25
|
261 (88.5%)
|
34 (11.5%)
| |
> 25
|
118 (91.5%)
|
11 (8.5%)
| |
Emergency operation
| | |
0.087
|
Yes
|
29 (80.6%)
|
7 (19.4%)
| |
No
|
350 (90.2%)
|
38 (9.8%)
| |
History of abdominal surgery
| | |
0.026
|
Yes
|
47 (81.0%)
|
11 (19.0%)
| |
No
|
332 (90.7%)
|
34 (9.3%)
| |
Surgical medial boundary
| | |
0.347
|
SMV
|
316 (90.0%)
|
35 (10.0%)
| |
SMA
|
63 (86.3%)
|
10 (13.7%)
| |
Neoadjuvant therapy
| | |
0.288
|
Yes
|
8 (80.0%)
|
2 (20.0%)
| |
No
|
371 (89.6%)
|
43 (10.4%)
| |
ASA score
| | |
0.676
|
1 or 2
|
284 (89.0%)
|
35 (11.0%)
| |
≥ 3
|
95 (90.5%)
|
10 (9.5%)
| |
Type of surgery
| | |
0.365
|
Standard
|
269 (90.3%)
|
29 (9.7%)
| |
Extended
|
110 (87.3%)
|
16 (12.7%)
| |
Surgical approach
| | |
0.012
|
Open
|
67 (81.7%)
|
15 (18.3%)
| |
Laparoscopy
|
312 (91.2%)
|
30 (8.8%)
| |
Blood loss (mL)
|
60 (50–100)
|
50 (50–95)
|
0.461
|
Operative time (min)
|
150 (135–165)
|
155 (145–172)
|
0.002
|
Tumor diameter (cm)
|
5.0 (4.0–6.5)
|
4.1 (2.6–7.6)
|
0.159
|
Preoperative NLR
|
2.5 (1.7–3.9)
|
2.2 (1.5–3.1)
|
0.059
|
Preoperative albumin
|
39.1 (35.1–43.1)
|
37.2 (33.7–41.0)
|
0.029
|
Preoperative CEA
|
3.9 (2.1–13.1)
|
4.5 (4.0–6.0)
|
0.739
|
Pathological T stage
| | |
0.296
|
T0–T2
|
37 (82.2%)
|
8 (17.8%)
| |
T3–T4
|
342 (90.2%)
|
37 (9.8%)
| |
Pathological N stage
| | |
0.670
|
N0
|
181 (88.7%)
|
23 (11.3%)
| |
N1–N2
|
198 (90.0%)
|
22 (10.0%)
| |
Metastasis
| | |
0.768
|
Yes
|
29 (87.9.%)
|
4 (12.1%)
| |
No
|
350 (89.5%)
|
41 (10.5%)
| |
Anastomotic leakage
| | |
0.024
|
Yes
|
22 (75.9.%)
|
7 (24.1%)
| |
No
|
357 (90.4%)
|
38 (9.6%)
| |
Incision infection
| | |
0.979
|
Yes
|
50 (89.3%)
|
6 (10.7%)
| |
No
|
329 (89.4%)
|
39 (10.6%)
| |
- Data are presented as mean ± standard deviation or median (quartile 1, quartile 3)
- Abbreviations: BMI Body mass index, ASA American Society of Anesthesiologists, SMA Superior mesenteric artery, SMV Superior mesenteric vein