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
FEV
1
(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
FEV
1
/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 H
2
O)
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; FEV
1
, 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).