Skip to main content

Table 2 Predictors of serum phosphate (mmol/L) at baseline in multivariable linear regression

From: Serum phosphate and social deprivation independently predict all-cause mortality in chronic kidney disease

  β coefficient 95 % confidence interval Standardised β coefficient P value
Sex, male   −0.35 (−0.53 - -0.17) −0.077 <0.001
Age, per year   −0.003 (−0.003 - -0.002) −0.207 <0.001
eGFR, per ml/min/1.73 m2   −0.001 (−0.002 - -0.001) −0.177 <0.001
SIMD quintiles I Ref.    
  II–III −0.011 (−0.003 - 0.010) −0.021 0.31
  IV–V −0.029 (−0.049 - -0.009) −0.058 0.005
Diastolic blood pressure, per mm Hg   -0.001 (-0.002 - 0.000) -0.047 0.053
Body weight, per kg   −0.001 (−0.002 - -0.001) −0.111 <0.001
Urinary PCR, per 10 mg/mmol   0.00078 (0.00050 - 0.00107) 0.113 <0.001
Haemoglobin, per g/L   −0.002 (−0.003 - -0.001) −0.174 <0.001
Potassium, per mmol/L   0.073 (0.057 - 0.090) 0.173 <0.001
Adjusted R2 0.172     
  1. eGFR Estimated glomerular filtration rate, SIMD Scottish index of multiple deprivation. Quintile I comprise the most deprived. PCR Protein-creatinine ratio. Also adjusted for systolic blood pressure, albumin adjusted serum calcium, serum albumin, presence/absence of diabetes and/or coronary heart disease