Takayuki NishimuraJuan UgarteMayumi OhnishiMika NishiharaGuillermo ÁlvarezYoshiki YasukochiHideki FukudaKazuhiko ArimaShigeki WatanukiVictor Mendoza2026-03-222026-03-22202010.1186/s40101-020-00240-yhttps://doi.org/10.1186/s40101-020-00240-yhttps://andeanlibrary.org/handle/123456789/48982Citaciones: 9Random plots of SpO₂ on residual analysis indicated that these variations were random error, such as biological variation. A higher SpO₂ was related to a lower heart rate and finger temperature in men, but a higher SpO₂ was related to finger temperature in women. These results suggest that there are individual variations and sex differences in the hemodynamic responses of high-altitude adaptation in Andean highlanders.enHeart rateDemographyOxygen saturationMedicineBlood pressureAltitude (triangle)HemodynamicsEffects of high altitude on humansInternal medicineCardiologyarticle