Risk Factors and Prevention Strategies of Nosocomial Infection in Geriatric Patients

Table 4

Analysis of two samples before and after improving of nutrition status.

Variate	Two samples	Number/total number		value ()
Sex (male)	Sample_1	1294/2413	0.156	0.693
	Sample_2	506/957
Long-term bed	Sample_1	212/2413	0.572	0.450
	Sample_2	92/957
Nutrition scores (≥3)	Sample_1	132/2413	1.037	0.309
	Sample_2	61/957
Dysphagia	Sample_1	174/2413	0.044	0.834
	Sample_2	71/957
Invasive procedure	Sample_1	672/2413	2.872	0.090
	Sample_2	239/957
Length of stay (≥30 day)	Sample_1	77/2413	3.599	0.058
	Sample_2	19/957
Combined with chronic disease	Sample_1	1259/2413	2.646	0.104
	Sample_2	529/957
	Sample_2	11/957