Table 2.

Summary of the optimal model of multiple logistic regression for “with or without acute mountain sickness (AMS)”

Independent variables	Partial regression coefficient	SE	Odds ratio	95% CI		P values
				Lower	Upper
ΔPB per hour from the 5th to the summit	-0.137	0.083	0.872	0.741	1.025	0.097
Sleepiness on rising	-0.047	0.018	0.954	0.904	0.968	0.001
Refreshing	-0.067	0.018	0.935	0.920	0.989	<0.001

SE standard error; CI indicates confidence interval of odds ratio