Table 2: Multivariate analysis related to the type of colon preparation in surgery.6

Variable

Univariate analysis

Multivariate analysis

OR

(IC95%)

p

Adjusted OR

(IC95%)

p

Mechanical preparation

of the colon

 

< 0.0001

 

0.026

MBP +/antibiotic+

0.45 (0.32-0.64)

< 0.0001

0.57 (0.35-0.94)

0.026

MBP +/antibiótic-

0.77 (0.59-0.99)

0.049

1.05 (0.72-1.54)

0.79

No preparation /

antibiotic- (reference)

 

 

 

 

Race/ethnicity (white)

1.16 (0.77-1.73)

0.48

1.33 (0.76-2.35)

0.32

BMC (≥ 30 kg/m2)

1.20 (0.94-1.54)

0.13

1.11 (0.78-1.58)

0.55

ASA (≥ 3)

1.23 (0.97-1.55)

0.09

1.20 (0.83-1.74)

0.32

Functional status

 

0.89

 

0.77

Partially dependent

0.87 (0.32-2.36)

0.78

0.70 (0.16-3.00)

0.63

Totally dependent

1.48 (0.20-11.09)

0.7

1.80 (0.21-15.69)

0.59

Independent (reference)

 

 

 

 

High blood pressure

0.91 (0.72-1.15)

0.44

0.84 (0.59-1.19)

0.33

Dyspnea

1.10 (0.71-1.71)

0.68

1.48 (0.86-2.54)

0.15

Previous sepsis

1.18 (0.52-2.69)

0.7

1.05 (0.32-3.39)

0.93

Ascitis

N/A*

N/A

N/A

N/A

Use of steroids

0.99 (0.62-1.59)

0.96

1.13 (0.62-2.06)

0.68

Coagulopathies

1.22 (0.66-2.25)

0.53

0.92 (0.39-2.17)

0.84

Disseminated cancer

1.21 (0.74-1.97)

0.45

1.23 (0.69-2.20)

0.5

Transfusions

0.62 (0.15-2.55)

0.51

N/A

 

Infection of

previous wounds

1.61 (0.74-3.47)

0.23

1.22 (0.42-3.54)

0.71

Laparoscopy

0.63 (0.50-0.80)

0.002

0.67 (0.47-0.95)

0.024

Hematocrit, %

1.02 (0.99-1.04)

0.15

1.04 (1.01-1.08)

0.018

Lymphocytes, × 109/l

1.04 (1.00-1.07)

0.034

1.02 (0.97-1.07)

0.51

Creatinine, mg/dl

1.04 (0.84-1.29)

0.71

1.25 (0.99-1.58)

0.064

Albumin, mg/dl

0.87 (0.68-1.12)

0.27

0.85 (0.61-1.17)

0.31

Colon vs. rectum

0.67 (0.52-0.85)

0.001

0.61 (0.43-0.87)

0.006

Total surgical time

(≥ 180 min)

1.61 (1.27-2.04)

< 0.001

1.63 (1.16-2.30)

0.005