|
Variable
|
PPOI (n=114)
|
NO PPOI (n=756)
|
Univariate OR (95% CI)
|
p value
|
|---|
|
Sex
| | |
1.923 (1.242–2.977)
|
0.003
|
|
Male
|
83
|
440
| | |
|
Female
|
31
|
316
| | |
|
Age (years)
|
64.4±10.3
|
55.6±12.0
|
0.932 (0.913–0.950)
|
0.000
|
|
Diabetes mellitus
| | |
0.777 (0.517–1.170)
|
0.227
|
|
No
|
71
|
514
| | |
|
Yes
|
43
|
242
| | |
|
Hypertension
| | |
0.859 (0.569–1.296)
|
0.469
|
|
No
|
73
|
510
| | |
|
Yes
|
41
|
246
| | |
|
Smoking habit
| | |
1.830 (1.211–2.766)
|
0.004
|
|
No
|
71
|
568
| | |
|
Yes
|
43
|
188
| | |
|
Current alcohol use
| | |
0.774 (0.511–1.172)
|
0.227
|
|
No
|
74
|
533
| | |
|
Yes
|
40
|
223
| | |
|
Previous abdominal surgery
| | |
0.741 (0.438–1.254)
|
0.264
|
|
No
|
94
|
653
| | |
|
Yes
|
20
|
103
| | |
|
Chronic obstructive pulmonary disease
| | |
0.723 (0.412–1.269)
|
0.258
|
|
No
|
97
|
671
| | |
|
Yes
|
17
|
85
| | |
|
BMI (kg/m2)
|
22.8±2.5
|
23.1±3.2
|
1.043 (0.977–1.113)
|
0.207
|
|
Preoperative anemia
| | |
0.817 (0.532–1.256)
|
0.358
|
|
No
|
79
|
555
| | |
|
Yes
|
35
|
201
| | |
|
Preoperative serum albumin level (g/L)
|
37.7±3.7
|
39.0±4.6
|
1.070 (1.022–1.120)
|
0.004
|
|
ASA score
| | |
0.728 (0.476–1.114)
|
0.143
|
|
I–II
|
77
|
560
| | |
|
III–IV
|
37
|
196
| | |
|
Tumor size
| | |
0.768 (0.517–1.141)
|
0.191
|
|
<5 cm
|
51
|
388
| | |
|
≥5 cm
|
63
|
368
| | |
|
Operation type
| | |
2.414 (1.619–3.600)
|
0.000
|
|
LC
|
58
|
540
| | |
|
RC
|
56
|
216
| | |
|
Operation time (min)
| | |
1.799 (1.196–2.707)
|
0.005
|
|
<180
|
41
|
380
| | |
|
≥180
|
73
|
376
| | |
|
Intraoperative blood loss (ml)
|
179.8±101.6
|
169.3±72.7
|
0.998 (0.986–1.011)
|
0.178
|
|
Grade of differentiation
| | |
0.997 (0.739–1.364)
|
0.987
|
|
Well
|
22
|
119
| | |
|
Moderate
|
56
|
426
| | |
|
Poorly
|
36
|
211
| | |
|
Lymph node resected
|
23.5±9.3
|
24.3±9.6
|
1.010 (0.988–1.032)
|
0.395
|
|
pTNM stage
| | |
1.022 (0.774–1.349)
|
0.880
|
|
I
|
23
|
124
| | |
|
II
|
46
|
354
| | |
|
III
|
45
|
278
| | |
- PPOI prolonged postoperative ileus, OR odds ratio, BMI body mass index, ASA American Society of Anesthesiologists, LC left colectomy, RC right colectomy
