Table 4.

Logistic regression results of risk factors for the occurrence of ADE.

Variables	β	SE	Wald	Odds ratio	95% CI	P
Length of hospital stay	−0.101	0.026	15.218	0.904	0.859–0.951	0.000
Number of drugs	0.077	0.015	27.407	1.080	1.049–1.112	0.000
Number of doses	0.007	0.001	25.265	1.007	1.004–1.009	0.000
Number of admission	0.099	0.048	4.331	1.104	1.006–1.212	0.037
Antibacterial use	0.009	0.169	0.003	1.009	0.725–1.404	0.957
	−3.385	0.234	209.296	0.034		0.000