Factors Associated with Overcrowded Emergency Rooms in Thailand: A Medical School Setting

Table 2

Significant factors associated with prolonged stay more than or equal to 8 hours at the emergency department (ED) by univariate and multivariate logistic analyses.

Factors	Unadjusted ORs (95% CI)	Adjusted ORs (95% CI)
Blood testing
None	1	1
1 round	7.56 (2.04, 28.23)	7.67 (2.03, 28.95)
≥2 rounds	116.13; (31.97, 421.83)	114.43; (30.30, 432.08)
Health insurance
Self-payment	1	1
Government insurance	4.91 (2.25, 10.72)	4.07 (1.51, 10.96)

Note. ORs: odds ratios; 95% CI: 95% confidence interval; model adjusted for age, presentation type of presenting to ED, patient severity or category, type of health insurance, comorbid diseases, blood testing, consultation, general X-ray, computed tomography, ultrasonography, and type of discharge.