Table 1

Delay between onset of symptoms and medical care

York
(n = 746)
S Glamorgan
(n = 894)
Brighton
(n = 573)
Hospital arrival
 Median delay (h)2.32.02.4
 Delay ⩽ 1 h (%)132217
Paramedic care
 Median delay (h)1.91.61.9
 Delay ⩽ 1 h (%)293533
No of 30 day survivors from out of hospital arrest181819
30 day fatality (%)161517