Table 3. Changes in haemoglobin, haematocrit, plasma volume, oxidized, reduced and total glutathione in blood and red blood cells (RBCs). Values are means (±SD).
Parameter
Pre-COMP
Post-COMP
RECOV
Hgb (g·L-1)
139.4 (8.5)
137.9 (10.0)
130.9 (7.1)***###
Hct(%)
42.3 (1.6)
41.7 (2.3)
40.1 (1.8)*###
Plasma volume change (%)
-
-2.6 (6.8)
10.2 (5.1)
GSSG(µM·L-1)
89.5 (19.6)
94.6 (21.1)
99.3 (34.2)
GSH(µM·L-1)
1120 (129)
1114 (145)
1029 (153)*
tGSH(µM·L-1)
1209 (128)
1209 (153)
1129 (150)*
eGSSG(µM·g-1 Hb)
1.07 (0.26)
0.96 (0.15)
0.96 (0.25)
eGSH(µM·g-1 Hb)
10.6 (2.1)
10.0 (1.9)
11.4 (1.6)*
etGSH(µM·g-1 Hb)
11.5 (1.8)
11.0 (1.9)
9.6 (2.5)**
Note. Hgb – haemoglobin; Hct – haematocrit; GSSG – oxidized glutathione in blood; GSH – reduced glutathione in blood; tGSH – total glutathione in blood; eGSSG – oxidized glutathione in RBCs; eGSH – reduced glutathione in RBCs; etGSH – total glutathione in RBCs; pre-COMP – precompetition level; post-COMP – immediately after the competition; RECOV – 18-hour recovery period