Clinical characteristics, risk factors, immune status and prognosis of secondary infection of sepsis: a retrospective observational study

Table 3 Results of multivariate logistic regression test of the risk factors of secondary infection

Variables^a	Partial regression coefficient	Standard error	Wald χ2	P value	OR	95% CI
Urinary catheterization	1.219	0.325	14.109	< 0.001	3.384	1.791–6.392
Deep venous catheterization	0.959	0.309	9.601	0.002	2.608	1.422–4.784

^aAnalysis was conducted by method Backward: Conditional. Variable blood transfusion was removed on step 2, mechanical ventilation on step 3, APACHE II score on step 4 and SOFA score on step 5

ISSN: 1471-2253