Acquisition and clearance of multidrug resistant Acinetobacter baumannii on healthy young adults concurrently burned in a dust explosion in Taiwan: the implication for antimicrobial stewardship

Table 4 Hazard ratios for the acquisition and clearance of MDRAB

Variable	Univariate analysis				Multivariate analysis
Variable	acquisition hazard ratio, (95% CI)	P value	clearance hazard ratio, (95% CI)	P value	acquisition hazard ratio, (95% CI)	P value	clearance hazard ratio, (95% CI)	P value
Baseline transition rate (/day)					0.005		0.01
Age	0.90 (0.74–1.09)	0.271	1.10 (0.91–1.33)	0.318
Sex	0.41 (0.08–1.98)	0.268	2.38 (0.49–11.46)	0.281
Cumulative antibiotic exposure (days of therapy)
Carbapenem	1.09 (1.02-1.16) ^b	0.007	1.0 (0.94–1.06)	0.908	1.08 (1.01-1.16) ^b	0.020	1.07 (0.99–1.17)	0.083
Glycopeptide	1.04 (0.98–1.11)	0.209	1.1 (1.0–1.2)	0.140	-		-
Non-carbapenem Beta-lactam	0.9 (0.78–1.100)	0.340	1.19 (1.05-1.34) ^b	0.024	0.97 (0.81–1.15)	0.711	1.25 (1.07-1.46) ^b	0.004
Antifungus	1.02 (0.94–1.1)	0.594	1.1 (0.97–1.1)	0.196	-		-
Miscellaneous	^a		^a		-		-

ISSN: 1471-2334