Table 7.

Multivariate logistic regression analysis of MDRO infection in patients with malignant tumor

Factors	β	SE	Wald value	OR value (95% CI)	P
Length of hospitalization (d)	0.098	0.034	0.821	1.132 (0.957-1.432)	0.687
Fever days (d)	0.069	0.029	0.712	1.019 (0.978-1.081)	0.715
Invasive operation	1.421	0.571	12.439	3.123 (2.931-7.565)	<0.001
Excessive bed rest	1.234	0.413	11.214	2.841 (2.741-7.123)	<0.001
Hypoproteinemia	0.867	0.262	4.172	2.164 (1.278-3.732)	0.038
PCT	0.906	0.269	4.165	2.164 (1.315-3.743)	0.022
CRP (mg/L)	0.071	0.038	0.714	1.016 (0.958-1.074)	0.721
SAA (mg/L)	1.393	0.542	11.378	3.145 (2.938-7.465)	<0.001

Note: PCT: procalcitonin; CRP: C-reactive protein; SAA: serum amyloid A; MDRO: multidrug-resistant organism.