Home-to-hospital delay ≤ 60 min (%)  Home-to-hospital delay > 60 min (%)  p-value (χ2)  Odds ratioa  95% Confidence interval  p-value
Sociodemographic factors
Age
 > 70 years  15.6  28.6  < .005  1
 61–70  18.0  28.6   1.13  (0.51 to 2.52)  0.764
 51–60  37.7  24.8   2.66  (1.23 to 5.72)  0.013
 ≤ 50 years  28.7  18.1   2.72  (1.19 to 6.24)  0.018



Clinical factors
Type of acute coronary syndrome
 UAb/NSTEMIc  20.5  39.0  0.002  1
 STEMId  79.5  61.0   2.57  (1.40 to 4.72)  0.002
Number of pain symptoms: (in addition to chest pain)
 None  12.3  19.0  0.090  1
 1–3  54.9  56.2   1.85  (0.85 to 4.06)  0.124
 4–8  32.8  24.8   2.65  (1.11 to 6.35)  0.028
Number of non-pain symptoms
 None  17.2  24.8  0.026  1
 1–2  44.3  50.5   1.45  (0.71 to 2.96)  0.313
 3–6  38.5  24.8   2.75  (1.25 to 6.02)  0.012



Proximal factors
Location at onset
 Home  57.4  74.0  0.009  1
 Other  42.6  26.0   1.81  (1.00 to 3.25)  0.049