Analysis of total cohort (n = 210)

Variable

Univariable analysis

Multivariable Analysis

OR

95% CI

P-value

OR

95% CI

P-value

Age

1.06

1.02 - 1.12

0.008

1.04

0.99 - 1.10

0.12

Gender

Male

Female

ref

3.50

-

1.32 - 10.34

0.015

ref

3.04

-

1.09 - 9.34

0.039

ASA Score

ASA I-II

ASA III-V

ref

3.37

-

1.08 - 14.86

0.06

ref

1.56

-

0.40 - 7.91

0.55

Type of acute left sided colonic emergency

Malignant obstruction

Perforated diverticulitis

ref

0.50

-

0.19 - 1.30

0.16

ref

0.58

-

0.21 - 1.58

0.29

Attempted colonic preservation

No

Yes

ref

0.56

-

0.21 - 1.51

0.23

ref

0.60

-

0.22 - 1.71

0.33

Subgroup analysis for malignant obstructions (n = 89)

Age

1.04

0.98 - 1.12

0.24

1.02

0.94 - 1.12

0.65

Gender

Male

Female

ref

4.76

-

1.27 - 23.09

0.03

ref

3.52

-

0.73 - 20.46

0.13

ASA Score

ASA I-II

ASA III-V

ref

1.07

-

0.24 - 7.51

0.93

ref

1.40

-

0.15 - 17.77

0.77

Site of cancer

Descending to sigmoid

Rectum

ref

16.33

-

2.77 - 312.06

0.01

ref

19.67

-

3.02 - 401.37

0.009

Attempted colonic preservation

No

Yes

ref

0.69

-

0.19 - 2.84

0.58

ref

0.32

-

0.04 - 2.28

0.25

Subgroup analysis for diverticulitis perforations (n = 121)

Age

1.09

1.02 - 1.19

0.03

1.08

1.00 - 1.21

0.09

Gender

Male

Female

ref

2.52

-

0.59 - 12.77

0.22

ref

2.21

-

0.43 - 13.52

0.35

ASA Score

ASA I-II

ASA III-V

ref

7.65

-

1.3 - 1.45

0.06

ref

1.43

-

0.15 - 33.24

0.77

Hinchey Classification

Hinchey I-II

Hinchey III-IV

ref

4.81

-

0.82 - 91.41

0.14

ref

4.18

-

0.56 - 88.60

0.22

Attempted colonic preservation

No

Yes

ref

0.41

-

0.09 - 1.84

0.22

ref

0.80

-

0.14 - 4.38

0.79