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Table 4 Determinants of in-hospital mortality of myocardial infarction patients (n = 337)

From: Pre-hospital delay in patients with myocardial infarction: an observational study in a tertiary care hospital of northern Bangladesh

Characteristics Survival Death cOR aOR
Age category
 ≤ 40 years 47 (100.0) 0 (0.0)   
 41–60 years 167 (92.8) 13 (7.2) 0.16 (0.08–0.32)* 0.25 (0.12–0.52)*
 > 60 yearsR 74 (67.3) 36 (32.7)   
Sex
 Male 213 (83.9) 41 (16.1) 1.81 (0.80–4.02)  
 FemaleR 75 (90.4) 8 (9.6)   
Predominant clinical symptom
 Chest pain 227 (86.6) 35 (13.4) 0.67 (0.34–1.33)  
 Symptoms other than chest painR 61 (81.3) 14 (18.7)   
Behavior after onset of symptoms
 Misinterpreting the nature of pain 60 (89.6) 7 (10.4) 0.72 (0.29–1.76)  
 Did not consider the symptoms to be serious 55 (82.1) 12 (17.9) 1.34 (0.62–2.87)  
 Waited to see symptoms would going 32 (82.1) 7 (17.9) 1.34 (0.53–3.40)  
 Suspected as MIR 141 (86.0) 23 (14.0)   
Diagnosis
 STEMI 209 (83.3) 42 (16.7) 2.27 (0.97–5.26)  
 Non-STEMIR 79 (91.9) 7 (8.1)   
Pre-hospital delay
 ≤ 6 h 125 (94.0) 8 (6.0) 0.25 (0.11–0.56)* 0.28 (0.12–0.66)*
 > 6 hR 163 (79.9) 41 (20.1)   
Risk factors
 Smoking
  No 114 (87.0) 17 (13.0) 0.81 (0.43–1.53)  
  YesR 174 (84.5) 32 (15.5)   
 Sedentary lifestyle
  No 191 (84.5) 35 (15.5) 1.27 (0.65–2.47)  
  YesR 97 (87.4) 14 (12.6)   
 Diabetes
  No 203 (85.3) 35 (14.7) 1.05 (0.53–2.05)  
  YesR 85 (85.9) 14 (14.1)   
 Hypertension
  No 103 (92.0) 9 (8.0) 0.40 (0.19–0.87)* 0.49 (0.22–1.12)
  YesR 185 (82.2) 40 (17.8)   
 Previous history of cardiovascular disease
  No 221 (87.0) 33 (13.0) 0.63 (0.32–1.21)  
  YesR 67 (80.7) 16 (19.3)   
 Family history of myocardial infarction
  No 178 (80.2) 44 (19.8) 5.44 (2.09–14.13)* 1.88 (0.66–5.38)
  YesR 110 (95.7) 5 (4.3)   
  1. R Reference case
  2. *p-value < 0.05