Volume 19, Number 5—May 2013
Changes in Severity of Influenza A(H1N1)pdm09 Infection from Pandemic to First Postpandemic Season, Germany
|Characteristic||No. patients with severe disease||Total no. patients||Relative risk (95% CI)||p value|
|Chronic lung disease|
|F (not pregnant)||18||77||1 (Ref)|
|F (pregnant)||1||9||0.36 (0.06-2.36)||0.29|
*Ref, reference category for risk calculations.
†Variables (listed in Table 1) that did not reach the significance level of 5% are omitted.
1These authors contributed equally to this article.
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