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Table 1 Patient‘s characteristics

From: Predictors and reproducibility of exercise-induced bronchoconstriction in cold air

  Children Adults Total
6–17 years 18–40 years
Subjects [n] 35 32 67
Female / Male [n] 14/21 22/10 36/31
Age [yr] 12.1 ± 2.9 25.6 ± 5.8 18.6 ± 8.1
Height [m] 1.56 (1.27–1.81) 1.7 (1.55–1.9) 1.65 (1.27–1.9)
Weight [kg] 51.4 (24.0–70.8) 65.4 (54.2–110.8) 58.1 (24.0–110.8)
FEV1 [%pred] 98.6 ± 12.8 97.1 ± 13.4 97.8 ± 13.0
PD20FEV1 [mg] 1.3 (0.01–2.9) 0.8 (0.01–4.5) 0.86 (0.01–4.5)
AQL   ACT (< 12 yr)
23 (19–27)
n = 15
ACQ (≥12 yr)
0.43 (0–2.7)
n = 50
 
  1. normally distributed data mean ± SD
  2. not normally distributed data median and min/max
  3. SD, standard deviation; FVC, forced vital capacity; FEV1, forced expiratory volume in one second; PD20FEV1 metha, provocation dose of methacholine causing a 20% drop in FEV1; AQL, asthma quality of life; ACT, asthma control test (cut off well controlled ≥20); ACQ, asthma control questionnaire (cut off well controlled ≤0.75), two subjects ≥12 yr did not complete the ACQ; n, number; yr., years; m, meter; kg, kilogram; %pred, %predicted; mg, milligram; ppb, parts per billion