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Table 1 Clinical characteristics of patients with myocardial infarction

From: Longer pre-hospital delay in first myocardial infarction among patients with diabetes: an analysis of 4266 patients in the Northern Sweden MONICA Study

  Patients with diabetes Patients without diabetes     
Characteristics Men Women Total Men Women Total     
  n =486 n =233 n =719 n =2522 n =1025 n =3547 p 1 p 2 p 3 p 4
Age years, mean (SD) 62.8 (7.9) 65.1 (7.7) 63.5 (7.9) 61.3 (8.7) 63.1 (9.0) 61.8 (8.8) p<0.001 p<0.001 p<0.001 p=0.001
Sex
Female (%)    32.4    28.9 p=0.060    
Male (%)    67.6    71.1     
Symptoms *
-Typical (%) 92.0 91.7 91.9 93.2 90.0 92.2 p=0.8 P=0.9 p=0.4 p=0.5
Medical history/Risk factors *
-Previous IHD (%) 39.2 43.9 40.8 25.7 27.4 26.2 p<0.001 p=0.2 p<0.001 p<0.001
-Hypertension (%) 59.9 70.2 63.3 34,7 48.9 38.7 p<0.001 p=0.008 p<0.001 p<0.001
-Smoking (%) 27.2 34.2 29.3 31.4 46.9 35.7 p=0.004 p=0.1 p=0.1 p=0.003
Size of residential area **
-City (%) 34.4 33.9 34.2 37.2 40.8 38.3     
-Town (%) 32.7 38.2 34.5 31.9 31.3 31.7 p=0.1 p=0.3 p=0.5 p=0.081
-Rural area (%) 32.9 27.9 31.3 30.8 27.9 30.0     
  1. p 1: Comparison between patients with and without diabetes, p 2: Comparison between men and women with diabetes, p 3: Comparison between men with and without diabetes, p 4: Comparison between women with and without diabetes.
  2. *Missing data: Symptoms 5.2%, previous IHD 1%, hypertension 1.6%, smoking 18%.
  3. **Rural area < 1 000 inhabitants, town 1 000–15 000 inhabitants, City > 15 000 inhabitants.