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Table 4 Factors associated with severe or fatal typhoid fever

From: Risk factors for the development of severe typhoid fever in Vietnam

Covariate Severe or fatal n = 90 Non severe n = 491 OR 95% CI p value AOR 95% CI p value
Age (years)1 14 (10–23) 12 (7–21) 1.01 0.99-1.03 0.243 1.02 0.99-1.04 0.122
Male 54 (60.6) 242 (49.3) 1.54 0.98-2.44 0.062 1.61 1.00-2.57 0.048
Days ill prior to admission1 10 (7–14) 8 (6–10) 1.03 0.99-1.07 0.081 1.04 .99-1.08 0.065
Fully susceptible organism 9 (10.0) 66 (13.4) 0.72 0.34-1.49 0.371 NI   
MDR 78 (86.7) 391 (79.6) 1.66 0.87-3.17 0.123 1.41 0.72-2.75 0.316
Intermediate ciprofloxacin resistance 45 (50.0) 170 (34.6) 1.89 1.20-2.97 0.005 1.90 1.18-3.07 0.009
Site         
Ho Chi Minh City 52/350 (14.9) 298/350 (85.1) 1.00 - - 1.00 - -
Dong Thap 38/231 (16.5) 193/231 (83.5) 1.13 0.72-1.78 0.603 1.19 0.72-1.98 0.501
  1. 1Median (IQR).
  2. AOR: adjusted odds ratio; NI: Not included.