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; 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).