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Table 3 Patient demographic and clinical metadata

From: Volatile organic breath components and exercise induced bronchoconstriction in asthmatic children

  EIB non EIB p-value*
ICS negative (n = 10) Total (n = 21) ICS negative (n = 13) Total (n = 25) ICS negative Total
Malea 8/10 16/21 9/13 19/25 0.66 1.00
ICS usea 11/21 12/25 1.00
Allergic rhinitisa 8/8 15/17 1/7 6/14  < 0.01 0.02
Ageb 10 10 7 7 0.83 0.55
BMI z-scoreb 0.68 0.36 0.16 0.16 0.56 0.83
FEV1 pre-exerciseb 92.8 91.0 89.6 98.3 0.60 0.17
Fall in FEV1 (%)b 30.4 27.1 5.5 5.5  < 0.01  < 0.01
  1. Significant results are displayed in bold
  2. aCategorical variables shown as fraction of total and percent. Changes in denominator indicate some patients had missing information
  3. bContinuous variables shown as median of all patients in each class
  4. *p-values calculated by Fisher’s Exact Test for categorical variables and Mann–Whitney U-test for continuous variables