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Table 3 Differences in the [Hb], RBC, HCT, MCV, MCH and MCHC between the AMS + and AMS - groups

From: Relationship between excessive erythrocytosis and acute mountain sickness: a field study

  24-h group 7-d group Re-exposure group
AMS+(n = 190) AMS-(n = 71) t P AMS+(n = 26) AMS-(n = 73) t P AMS+(n = 48) AMS-(n = 46) t P
[Hb] (g/L) 145.77 ± 12.04 146.55 ± 15.24 -0.432 0.666 175.38 ± 10.82 169.33 ± 11.77 2.299 0.024* 187.06 ± 12.69 183.46 ± 9.99 -1.527 0.130
RBC (1012) 4.57 ± 0.39 4.62 ± 0.40 -0.990 0.323 5.23 ± 0.35 5.12 ± 0.41 1.225 0.223 5.81 ± 0.72 5.62 ± 0.45 -1.519 0.132
HCT (L/L) 41.29 ± 3.08 41.48 ± 3.83 -0.398 0.691 47.91 ± 2.69 46.24 ± 3.15 2.419 0.017* 54.34 ± 6.93 52.72 ± 4.36 -1.358 0.178
MCV (fl) 90.77 ± 5.48 89.58 ± 8.49 1.331 0.184 91.87 ± 2.81 90.71 ± 5.21 1.085 0.281 93.64 ± 4.30 93.86 ± 3.66 0.268 0.789
MCH (pg) 31.96 ± 2.19 31.70 ± 2.59 0.797 0.426 33.54 ± 1.23 33.16 ± 2.36 0.777 0.439 32.39 ± 2.66 32.69 ± 2.11 0.600 0.550
MCHC (g/L) 352.34 ± 7.60 352.51 ± 9.48 -0.144 0.886 365.50 ± 5.53 365.86 ± 10.79 -0.164 0.870 346.52 ± 25.32 348.78 ± 19.57 0.483 0.630
  1. *P < 0.05.