Research Article
Risk Factors for Mortality among 2009 A/H1N1 Influenza Hospitalizations in Maricopa County, Arizona, April 2009 to March 2010
Table 4
Frequency of risk factors for A/H1N1 inpatients, Maricopa County, April 1, 2009 to March 31, 2010.
| | Risk factors | A/H1N1 inpatients | A/H1N1 fatal | A/H1N1 hospitalization versus | | A/H1N1 death odds ratio (95% CI)a |
| | Asthma | 127/449 (28.3) | 16/64 (25.0) | 0.73 (0.32, 1.7) | | Chronic lung disease | 101/447 (22.6) | 36/65 (55.4) | 3.3 (1.5, 7.5) | | Cardiac disease | 80/419 (19.1) | 23/65 (35.4) | 1.33 (0.54, 3.3) | | Metabolic disease | 71/450 (15.8) | 21/65 (32.3) | 3.35 (0.55, 20.5) | | Diabetes | 61/451 (13.5) | 19/65 (29.2) | 0.3 (0.04, 2.11) | | Kidney disease | 34/453 (7.5) | 11/64 (17.2) | 0.96 (0.31, 3.01) | | Cancer last 12 months | 16/455 (3.5) | 13/65 (20.0) | 3.8 (1.01, 14.3) | | Immune suppression | 93/458 (20.3) | 35/65 (53.8) | 4.6 (2.0, 10.6) | | Neurological disease | 80/455 (17.6) | 20/65 (30.8) | 1.7 (0.72, 4.1) |
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aRisk of death among A/H1N1 inpatients adjusted by age, gender, ethnicity/race, pandemic wave, and antiviral treatment.
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