The lowest resting heart rate of participants at each camp in Mount Everest.

Withdraw: The particular participant didn’t reach this camp.
NM: The heart rate is not measured.
#Maximum age-related heart rate (MAHR) is calculated by maximal age minus related heart rate, and the unit is beat per minute (bpm).
¶The environment characteristics for each camp, including the altitude (meter; m), fraction of inspired oxygen (FiO2), and the amount of mandatory oxygen supply, are shown.
The lowest resting heart rates of participants at each camp were presented as the value (%; the percentage compared to MAHR).