Table 4.

Logistic regression analysis for decision factors associated with epinephrine use for anaphylactic patients in the ED.

Variable	Univariate regression analysis		Multivariate regression analysis
	OR (95% CI)	p-value	OR (95% CI)	p-value
Age	1.00 (0.99–1.02)	0.94	0.99 (0.97–1.02)	0.914
Sex
Female	1.00	–	1.00	–
Male	0.84 (0.51–1.39)	0.503	0.68 (0.31–1.47)	0.324
Sent via ambulance
No	1.00	–	1.00	–
Yes	2.36 (1.32–4.24)	0.004*	2.97 (1.20–7.33)	0.019*
Insect sting
No	1.00	–	1.00	–
Yes	0.63 (0.39–1.03)	0.066	0.72 (0.33–1.56)	0.404
Hypotension
No	1.00	–	1.00	–
Yes	2.06 (1.28–3.31)	0.003*	3.49 (1.61–7.56)	0.002*
Airway compromise
No	1.00	–	1.00	–
Yes	83.39 (19.68–353.31)	<0.001*	284.74 (55.39–1463.63)	<0.001*
Change in consciousness
No	1.00	–	1.00	–
Yes	9.47 (5.32–16.86)	<0.001*	17.12 (8.01–36.57)	<0.001*

OR, odds ratio; CI, confidence interval, ^*p < 0.05.