Table 1

Demographic characteristics: comparison of patients with and without asthma (n = 473)
Characteristic Patients with asthma Patients without asthma P-Value*
No. (%) (n = 137) No. (%) (n = 336)
Female 81 (59) 175/334 (52) 0.07
Median age in years (range) 27 (3 – 80) 30 (2 – 87) 0.15
Age 2–17 years 54 (39) 100 (30) 0.04
Age group 0.08
 2–9 years 28 (20) 54 (16) 0.26
 10–17 years 26 (19) 46 (14) 0.15
 18–49 years 58 (42) 160 (48) 0.30
 ≥50 years 25(18) 76 (23) 0.29
Race and ethnicity 0.17
 Non-Hispanic White 47 (34) 137 (41) 0.19
 Black 40 (29) 60 (18) <0.01
 Hispanic 28 (20) 78 (23) 0.51
 Unspecified 15 (11) 40 (12) 0.77
 Other 7 (4) 18 (5) 0.91

*P-Values stratified by age-group.

Other race and ethnicity includes Asian, Native Hawaiian or Pacific Islander, American Indian or Alaska Native and Multiracial.

McKenna et al.

McKenna et al. BMC Infectious Diseases 2013 13:57   doi:10.1186/1471-2334-13-57

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