Risk Factors and Prevention Strategies of Nosocomial Infection in Geriatric Patients

Table 7

Multivariate analysis of risk factors of nosocomial infection in geriatric patients.

Variate	Wald	value	OR	95% CI
Long-term bed	5.181	0.023	2.484	1.135∼5.473
Nutrition scores (≥3)	8.844	<0.01	3.463	1.527∼7.852
Dysphagia	16.898	<0.01	7.909	2.951∼21.202
Invasive procedure	10.567	<0.01	1.181	1.064∼1.507
Length of stay (day)	117.953	<0.01	94.565	41.608∼214.921