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Table 3 Risk factors associated with mortality in patients with influenza A/H1N1 based on a multivariate analysis

From: Risk factors associated with mortality in patients infected with influenza A/H1N1 in Mexico

Risk factor

Multivariate analysis

OR (95 % CI)

p value

First medical attention received after >3 days

11.02 (1.59–76.25)

0.015*

Male

2.73 (0.52–14.28)

0.233

Age

1.02 (0.95–1.01)

0.549

Recent or past smoker

1.19 (0.16–8.92)

0.867

Chronic disease diagnosis

4.91 (0.58–41.42)

0.144

Intensive care unit hospitalization

13.91 (1.09–41.42)

0.044*

  1. OR odds ratio, CI confidence interval
  2. * Significant difference at p < 0.05