Altitude

MCAv

AMS-C score

SaO2 (%)

ETCO2 (mm Hg)

Height (m)

Time (hours)

cm・s−1

% sea level

<50

0

53.8 ± 6.3*

100

-

-

-

4572

6

56.1 ± 12.9

104.2 ± 23.8

0.91 ± 1.09

77.1 ± 8.8

32.9 ± 4.0

4572

48

66.8 ± 14.2

124.2 ± 26.2

0.39 ± 0.40

77.9 ± 5.6

31.0 ± 2.8

P ANOVA

0.02

0.00

0.08

0.54

0.01