Table 5

Correlations between oxygen saturation and end tidal CO2 in the laboratory and in the Himalayas (p values are given in parentheses)

Laboratory sea levelSimulated 3450 mSimulated 4320 mSimulated 4850 m
*Significant correlation.
Correlation (p value)−0.51 (0.05*)−0.48 (0.14)−0.01 (0.98)−0.04 (0.88)
KathmanduNamche BazaarDingbocheNamche Bazaar
1300 m3450 m (day 3)4320 m (day 6)3450 m (day 15)
Correlation (p value)−0.44 (0.13)−0.56 (0.01*)−0.48 (0.03*)−0.45 (0.08)