Table 2.

Cardiorespiratory response of workers exposed at 2,900 and 5,050 m.

	Altitude
	2,900 m	5,050 m
	Room air	Room air	Room air + 8 %O2
SpO2 (%)	93 ± 1	84 ± 0.8*	91 ± 0.8*
Heart rate (bpm)	77 ± 8	90 ± 8*	77 ± 12*
SAP (mmHg)	121 ± 6	135 ± 18	128 ± 10
DAP (mmHg)	81 ± 6	96 ± 3*	87 ± 5†
MAP (mmHg)	94 ± 8	109 ± 8*	101 ± 7†

Values expressed as Mean ± SD. SpO₂, pulse oximetry; SAP, systolic arterial pressures; DAP, diastolic arterial pressure; MAP, mean arterial pressure.

^*p < 0.001 Room Air 2,900 vs. Room Air 5,050 m and 5,050 m + 8% O₂,

^†p < 0.01 Room air 5,050 m vs. Room Air 5,050 m + 8% O₂.