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Table 1 Comparative demographic and admission profile in 1994 and 2003

From: Nine-year comparison of presentation and management of acute coronary syndromes in Ireland: a national cross-sectional survey

Demographic 1994 (N = 950 suspected AMI) 2003
   Suspected AMI (N = 935) Suspected Other ACS (N = 430) Combined (N = 1365)
Mean age (years) (mean) (std dev) - 66 (13) 61*** (14) 64 (13)
Men 64 (12) 64 (13) 60*** (13) 63 (13)
Women 69 (11) 71 (13) 64*** (14) 69 (13)
Referral source (%)     
Primary care physician 69 53 55 53
Self 24 39 33 38
Other 7 8 12 9
Admission mode to hospital (%)     
Ambulance 46 48 38** 45
Car (passenger) 42 42 43 42
Car (driver) 8 6 12*** 8
Other 4 4 7 5
Distance from hospital at symptom onset     
Median (range) miles 9 (0–165) 9 (0–80) 8 (0–150) 8 (0–150)
Previous CHD history (%)     
AMI 24 16 31*** 21
Unstable angina 14 14 28*** 19
Coronary artery bypass graft 4 5 13*** 7
Percutaneous coronary intervention 2 6 18*** 10
  1. (*p < .05, **p < .01, ***p < .001)