|
Univariate analysis
|
Multivariate analysis
|
---|
|
Odds ratio
|
95% C.I.
|
p-value
|
Odds ratio
|
95% C.I.
|
p-value
|
---|
Age
| | |
< 0.001
| | |
< 0.001
|
< 50 years (standard)
| | | | | | |
≥ 50 years
|
2.553
|
1.642 – 3.970
| |
2.312
|
1.472 – 3.630
| |
Sex
| | |
0.036
| | | |
Woman (standard)
| | | | | | |
Man
|
1.508
|
1.036 – 2.195
| | | | |
Body-mass index
| | |
1.000
| | | |
< 25 (standard)
| | | | | | |
≥ 25
|
0.988
|
0.677 – 1.440
| | | | |
History of prior laparotomy
| | |
0.491
| | | |
No (standard)
| | | | | | |
Yes
|
0.829
|
0.521 – 1.318
| | | | |
Preoperative leukocyte count (/mm3)
| | |
0.001
| | | |
< 10,000 (standard)
| | | | | | |
≥ 10,000
|
1.928
|
1.307 – 2.844
| | | | |
Preoperative NLR
| | |
< 0.001
| | |
0.003
|
< 3.0 (standard)
| | | | | | |
≥ 3.0
|
2.482
|
1.696 – 3.633
| |
1.876
|
1.246 – 2.825
| |
Admission via ED
| | |
< 0.001
| | |
0.007
|
No (standard)
| | | | | | |
Yes
|
2.172
|
1.485 – 3.178
| |
1.764
|
1.170 – 2.660
| |
Approach of operative method*
| | |
0.613
| | | |
Conventional surgery
| | | | | | |
Reduced port surgery
|
0.892
|
0.602 – 1.321
| | | | |
-
Abbreviations: ED emergency department, NLR neutrophil-to-lymphocyte ratio.
- *Conventional surgery included open surgery, 3-port and 4-port cholecystectomies, and reduced port surgery includes 2-port and single-port laparoscopic cholecystectomies.