Baseline characteristics Control (n=17) Football (n=17) p value
Gender (M/F) 8-Sep 7-Oct NS
Age (year) 23 ± 3 24 ± 5 NS
Height (cm) 168 ± 5 170 ± 7 NS
Weight (kg) 65 ± 15 66 ± 9 NS
BMI (kg/m2) 23 ± 4 23 ± 3 NS
FVC (L) 3.96 ± 9.45 4.30 ± 0.84 NS
%FVC (%) 101 ± 13 106 ± 10 NS
FEV1/FVC (%) 91 ± 5 92 ± 6 NS
FEV1 (L) 3.57 ± 0.64 3.95 ± 0.70 NS
%FEV1 (%) 107 ± 12 116 ± 12 0.046
Table 1: Baseline characteristics of normal controls and football players. All data are mean ± standard deviation. NS: Not Significant; BMI: Body Mass Index; FVC: Forced Vital Capacity; %FVC: FVC percent predicted; FEV1: Forced Vital Capacity in the First Second; % FEV1: FEV1 percent predicted; FEV1/FVC: Ratio of FEV1 to FVC.