Table 3.

Univariate and multivariate logistic regression of factors associated with pre-hospital delay ≥ 2 h

	Univariate analysis			Multivariate analysis**
	OR	95% CI	p-value	OR	95% CI	p-value
Diabetes
No	1.0			1.0
Yes	1.29	1.10-1.53	p = 0.002	1.28	1.08-1.52	p = 0.005
Sex
Men	1.0
Women	1.10	0.97-1.27	p = 0.130	------	-------	-------
Age
25-64	1.0			1.0
65-74	1.20	1.06-1.36	p = 0.003	1.22	1.07-1.38	p = 0.003
Symptoms
Typical	1.0			1.0
Atypical	0.59	0.47-0.75	p < 0.001	0.58	0.46-0.73	p < 0.001
Size of residential area*
City	1.0			1.0
Town	1.30	1.12-1.50	p < 0.001	1.28	1.10-1.48	p = 0.002
Rural area	1.55	1.34-1.81	p < 0.001	1.51	1.30-1.77	p < 0.001

^*Rural area < 1 000 inhabitants, Town 1 000–15 000 inhabitants, City > 15 000 inhabitants.

**The multivariate analysis adjusts for all variables except for sex.