Table 3

Relationship to Airway Hyperresponsiveness in All Patients Using a Cutoff Value for Body Mass Index at 30, 35, and 40

BMI

Age (yr)

% Methacholine Positive

Odds Ratio

95% CI for Odds Ratio

Relative Risk (CI)

Attributable Risk (%)

p Value


<30

44.5 ± 16.4

33.82

1.37

1.03-1.82

1.22 (1.02-1.45)

17.83

.0317

≥30

49.1 ± 14.2

41.16

<35

45.7 ± 16.1

34.24

1.86

1.27-1.76

1.67 (1.17-1.76)

30.43

.0012

≥35

49.1 ± 13.4

49.22

<40

46 ± 16

35.02

2.61

1.48-4.60

1.86 (1.31-2.13)

40.13

.0006

≥40

49.5 ± 11.3

58.49


BMI = body mass index; CI = confidence interval.

Sharma et al. Allergy, Asthma & Clinical Immunology 2008 4:51-58   doi:10.1186/1710-1492-4-2-51

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