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Table 2 Age, gender and previous history (%, if not otherwise stated)

From: Determinants of pre-hospital pharmacological intervention and its association with outcome in acute myocardial infarction

Prehospital aspirin
  All (n = 1726) Yes (n = 995) No (n = 731) p*
Age (mean ± SD) 70 ± 13 68 ± 13 73 ± 13 <0.0001
Women 33 29 39 0.03
Previous history
Diabetes (7)a 20 18 23 0.01
Hypertension (21)a 44 42 47  
Smoking (98)a 27 30 24  
Myocardial infarction (19)a 28 22 36 <0.0001
Heart failure (72)a 9 5 13 <0.0001
PCI (25)a 16 13 19 0.0008
Heart surgery (14)a 9 7 12 0.001
Stroke (19)a 10 7 14 <0.0001
Medication
Aspirin (27)a 38 31 46 <0.0001
Any other cardiovascular drug (51)a 61 54 71 <0.0001
  1. *Age adjusted p-value (except for age itself), denoted if <0.05
  2. aNumber of patients with missing information