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Table 1 Frequency and percentage distribution of age and ethnicity of the respondents

From: Risk factors for first-time acute myocardial infarction patients in Trinidad

  Category: n (%)  
Variable Cases (AMI) Control (non-AMI) p value
(n = 251) (n = 464)
Sex
 Male 138 (55.0) 251 (54.1) 0.875
 Female 113 (45.0) 231 (45.9) 0.24
Ethnicity
 Indo-Trinidadian 206 (82.1) 386 (83.4) 0.708
 Afro-Trinidadian 45 (17.9) 77 (16.6) 0.654
Age
 20–35 7 (2.8) 15 (3.2) 0.738
 36–49 37 (14.7) 75 (16.2) 0.613
 50–65 110 (43.8) 211 (45.5) 0.694
 65–75 68 (27.1) 121 (26.1) 0.79
  > 75 29 (11.6) 42 (9.1) 0.296