Table 2.

Group averages (n = 11) of blood counts before spaceflight, after spaceflight and after recovery

	Pre(L−3, 9, 11m)	Post(R+0/3d)	Rec(R+30d)	P value
Haemoglobin concentration (g/dL)	14.6 ± 0.8	13.3 ± 0.7 *#	14.1 ± 0.9 *	<0.001
Haematocrit (%)	43.3 ± 2.6	39.1 ± 2.5 *#	41.4 ± 3.0	<0.001
Red blood cell count (106/mm3)	4.78 ± 0.36	4.40 ± 0.31 *#	4.57 ± 0.43	0.001

Pre(L−3, 9, 11m), 3–11 months before launch; Post(R+0/3d), 0–3 days after landing; Rec(R+30d), 30 days after landing P value, one‐way repeated measures ANOVA for differences among the three time points for n = 11. ^* P < 0.05 vs. Pre(L−3, 9, 11m), ^# P < 0.05 vs. Rec(R+30d).