Table 2. Spirometric-derived data and MIP in men and women at pre-race and post-race (mean ± SD).
Males (n = 19) Females (n = 13)
Pre-race Post-race % Change Pre-race Post-race % Change
FVC (l) 5.04 ± 0.69 4.47 ± 0.71 -12.9% 3.49 ± 0.48 3.08 ± 0.81 -13.2%
 (% pred) 103 ± 11 91 ± 15 102 ± 9 90 ± 20
FEV1 (l) 3.92 ± 0.51 3.49 ± 0.74 -12.5% 2.77 ± 0.42 2.03 ± 0.61 -36.4%
 (% pred) 98 ± 12 87 ± 19 98 ± 11 72 ± 20
FEV1/FVC (%) 78.41 ± 5.23 75.76 ± 10.84 -3.5% 78.67 ± 4.66 67.75 ± 16.9 -16.1% *
 (% pred) 97 ± 7 93 ± 14 94 ± 5 81 ± 20
PEF (l/s) 9.53 ± 1.43 8.04 ± 2.02 -18.5% 6.05 ± 1.33 4.84 ± 1.96 -25.1%
 (% pred) 88 ± 13 74 ± 19 80 ± 17 64 ± 25
MIP (cm H2O) 115.74 ± 20.92 92 ± 20 -26.1% 78 ± 20.9 63 ± 20 -23.5%
 (% pred) 115 ± 22 91 ± 20 110 ± 27 88 ± 26
FVC, forced vital capacity; FEV1, forced expiratory volume in 1 s; PEF, Peak expiratory flow; MIP, maximal inspiratory pressure; %pred, percent of predicted value;* Significantly different from males’ percentage change (p < 0.05).