Fig. 1From: A specific objective supplemental factor in evaluating acute mountain sickness: ΔHR in combination with SaO2 The distribution of symptoms or LLS and the incidence of AMS in AEG and PAG. AMS, Acute mountain sickness; AEG, Acute exposure group; PAG, Pre-acclimatization group. The comparison was made between AEG and PAG; *: P < 0.01; a P < 0.01 compared with total AMS; b P < 0.01 compared with severe AMS; c P < 0.01 compared with mild AMSBack to article page