Table 2. Changes in pulmonary function and hematological variables over the course of the training period. Values represent mean (± standard deviation).
Pre Post Change
FVC (L) Mask
Control		 5.2 (1.19)
5.3 1.42		 5.1 (1.20)
5.2 (1.36)		 -0.1
-0.1
FEV1(L) Mask
Control		 4.3 (1.03)
4.3 (1.07)		 4.4 (1.03)
4.3 (1.04)		 +0.1
0.0
FEV1/FVC (%)
 Mask
Control		 82.1 (7.70)
81.1 (5.61)		 83.5 (7.00)
82.2 (5.46)		 +1.4
+1.1
MIP (cmH2O)
 Mask
Control		 80.1 (27.50)
80.7 (29.20)		 88.6 (28.19)
88.2 (34.81)		 +8.5
+7.5
Hb Mask
Control		 13.7 (1.09)
14.2 (.75)		 13.0 (1.00)
13.5 (1.24)		 -0.7
-0.7
Hct (%) Mask
Control		 40.5 (4.00)
42.9 (2.84)		 42.1 (1.88)
43.8 (3.55)		 +1.6
+0.9