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Table 1 Subjects' Characteristics

From: Seasonal variations of cough reflex sensitivity in elite athletes training in cold air environment

Variable Athletes Non-athlete subjects p-value
  (n = 53) (n = 33)  
Age (years) 19 ± 3 21 ± 3 0.13
Ratio females to males 19:34 15:18 0.74
Atopy (%) 67 67 0.45
   House dust 47 42 0.81
   Animal 36 42 0.62
   Tree pollen 38 36 0.88
   Grass pollen    
FEV1 (% predicted) 115 ± 13 102 ± 13 0.21
FVC (% predicted) 125 ± 13 110 ± 14 0.38
FEV1/FVC (%) 94 ± 7 93 ± 7 0.54
PC20 (mg/ml) 51.9 [9.7-128] 40.8 [0.63-128] 0.98
  1. Results are expressed as mean ± SD unless otherwise noted
  2. FEV1: Forced expiratory volume in 1 s
  3. FVC: Forced vital capacity
  4. *PC20: Concentration of inhaled methacholine causing a 20% decrease in the forced expiratory flow in 1 s. Geometric mean [range]