Volume 20, Number 9—September 2014
Dispatch
Risk Factors for Severe Influenza A–Related Pneumonia in Adult Cohort, Mexico, 2013–14
Figure 2
![A) Proportion of patients with confirmed influenza pneumonia that required mechanical ventilation according to the duration of symptomatology on admission (0–4 days versus >5 days) during the 2009–10 pandemic and 2013–14 season. B) Mortality rate within 5 days of admission according to the duration of symptomatology on admission during the 2009–10 pandemic and 2013–14.](/eid/images/14-0115-F2.jpg)
Figure 2. A) Proportion of patients with confirmed influenza pneumonia that required mechanical ventilation according to the duration of symptoms on admission (0–4 days versus >5 days) during the 2009–10 pandemic and 2013–14 season. B) Mortality rate within 5 days of admission according to the duration of symptoms on admission during the 2009–10 pandemic and 2013–14.
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