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Table 1 Characteristics of patients undergoing laparoscopic versus open surgery

From: Risk factors for surgical site infections following open versus laparoscopic colectomies: a cohort study

Characteristic

Laparoscopic

N = 596 (%)

Open

N = 269 (%)

P-value

Age, years

67.02 ± 15.96

70.82 ± 15.50

0.001

Men, N (%)

291 (48.8)

150 (55.8)

0.059

Weight, kg

73.61 (± 18.80)

70.22 (± 16.99)

0.012

DM

137 (23)

77 (28.6)

0.075

CVD

124 (20.8)

71 (26.4)

0.069

CKD

37 (6.2)

22 (8.2)

0.287

COPD

38 (6.4)

28 (10.4)

0.039

Immuno-suppression

29 (4.9)

15 (5.6)

0.660

Malignancy

456 (76.5)

218 (81.0)

0.137

IBD

28 (4.7)

22 (8.2)

0.004

Prior surgery

198 (33.2)

121 (45)

0.001

Pre-op hospital days

1.6 ± 2.33

2.52 ± 4.23

 < 0.001

Rectal surg

83 (13.9)

52 (19.3)

0.043

Risk Index

  

0.008

 0

173

81

 

 1

328

124

 

 ≥ 2

93

64

 

Surgery duration > 75%

331 (56.1)

103 (38.6)

 < 0.001

Stoma created

49 (8.2)

42 (15.6)

0.001

Appropriate prophylaxis

336 (67.7)

114 (47.7)

 < 0.001

2nd antibiotic dose

62 (10.4)

28 (10.4)

0.998

SSI

110 (18.5)

87 (32.3)

 < 0.001

hospital days

7.94 ± 9.09

13.99 ± 25.27

 < 0.001

Reoperation

23 (3.9)

29 (10.8)

 < 0.001

Readmission

69 (11.6)

49 (18.2)

0.008

Mortality

7 (1.2)

10 (3.7)

0.013

  1. DM diabetes mellitus; CVD cardiovascular disease; CKD chronic kidney disease, COPD congestive obstructive pulmonary disease; IBD irritable bowel disease; SSI surgical site infection