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Table 3 Multiple regression analysis between SpO2 and other parameters

From: Individual variations and sex differences in hemodynamics and percutaneous arterial oxygen saturation (SpO2) in Tibetan highlanders of Tsarang in the Mustang district of Nepal

  Total (n = 70) Men (n = 30) Women (n = 40)
β (95% CI) p-value r2 β (95% CI) p-value r2 β (95% CI) p-value r2
Sex (women/men) −0.385 (−1.356, 0.585) 0.431    
Age (y) −0.060 (−0.131, 0.011) 0.094   −0.109 (−0.235, 0.017) 0.086   −0.016 (−0.094, 0.062) 0.676  
Heart rate (bpm) −0.027 (−0.070, 0.011) 0.204   −0.012 (−0.120, 0.095) 0.813   −0.045 (−0.087, −0.003) 0.036  
DBP (mmHg) −0.003 (−0.048, 0.041) 0.885   0.048 (−0.055, 0.151) 0.349   −0.010 (−0.058, 0.038) 0.672  
Hemoglobin (g/dl) −0.099 (−0.360, 0.162) 0.450   0.547 (−0.007, 1.102) 0.053   −0.341 (−0.619, −0.063) 0.018  
Finger temperature (°C) −0.051 (−0.190, 0.089) 0.472   0.102 (−0.161, 0.365) 0.433   −0.089 (−0.241, 0.064) 0.247  
    0.120    0.223    0.365
  1. β Standardized regression coefficient, 95% CI 95% confidence interval, DBP Diastolic blood pressure, r2 Coefficient of determination for model