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Table 3 Partial correlation coefficients between blood pressure and electrolytes

From: Association of urinary sodium excretion with blood pressure and risk factors associated with hypertension among Cameroonian pygmies and bantus: a cross-sectional study

  SBP, mmHg DBP, mmHg MBP, mmHg PP, mmHg
Total
 Na+, mmol/L 0.266*** 0.255*** 0.292*** 0.080
 K+, mmol/L −0.013 0.049 0.028 −0.060
 Na+/K+ 0.098 0.020 0.057 0.096
Bantus
 Na+, mmol/L 0.161* 0.213** 0.225** 0.005
 K+, mmol/L −0.032 0.065 0.030 − 0.085
 Na+/K+ 0.009 − 0.072 − 0.046 0.066
Pygmies
 Na+, mmol/L −0.143 −0.099 − 0.129 −0.058
 K+, mmol/L −0.008 0.025 0.015 −0.034
 Na+/K+ −0.033 −0.067 − 0.062 0.030
  1. *P <  0.05; **p <  0.01; ***p < 0.001
  2. SBP Systolic blood pressure, DBP Diastolic blood pressure, MBP Mean blood pressure, PP Pulse pressure
  3. All coefficients are standardized for age, body mass index and waist circumference