Fig. 1From: Individual variations and sex differences in hemodynamics with percutaneous arterial oxygen saturation (SpO2) in young Andean highlanders in BoliviaScatter plot of SpO2 and heart rate in Andean highlanders. SpO2 is negatively correlated with heart rate (r = − 0.307, p = 0.030) in men. The solid line indicates the trend for menBack to article page