Skip to main content

Table 3 Multiple logistic regression analysis stratified by the NNIS risk index

From: Association between the frequency of surgeries for video-assisted thoracic surgery and the incidence of consequent surgical site infections: a retrospective observational study based on national surveillance data

 

OR

95% CI

p value

NNIS risk index 1 group

 Male sex

2.13

1.31–3.48

0.0024

 Age

1.02

1.01–1.03

0.0021

  < 50/year

2.48

1.20–5.13

0.0143

  50–100/year

Reference

Reference

Reference

  > 100/year

2.43

1.44–4.11

0.0009

NNIS risk indices 2–3 group

 Male sex

  

0.063

 Age

  

0.65

  < 50/year

4.83

1.47–15.93

0.0095

  50–100/year

Reference

Reference

Reference

  > 100/year

  

0.21

  1. NNIS National Nosocomial Infections Surveillance System
Back to article page

BMC Infectious Diseases

ISSN: 1471-2334

Contact us