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Table 1 Baseline characteristics according to Scottish Index of Multiple Deprivation (SIMD) quintiles 2012

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

  SIMD quintile I (n = 929) SIMD quintile II–III (n = 1096) SIMD quintile IV–V (n = 912) P for linear trend
Men, n (%) 443 (47.7) 538 (49.1) 486 (53.3) 0.016
Age, years 66.3 (51.0–76.2) 68.2 (54.5–77.4) 68.2 (54.6–77.3) 0.016
Phosphate, mmol/L 1.15 ±0.24 1.15 ±0.25 1.11 ±0.24 0.001
Phosphate >1.30 mmol/L 207 (22.3) 237 (21.6) 165 (18.1) 0.002
eGFR, mL/min/1.73 m2 39.9 (27.3–67.8) 36.0 (25.5–59.0) 39.3 (27.0–63.7) 0.7
Urinary protein-creatinine ratio, mg/mmol 32.6 (7.6–137.8) 37.0 (9.2–130.1) 25.0 (5.6–102.6) 0.041
Albumin, g/L 36.2 ±5.7 37.3 ±5.8 37.5 ±5.8 <0.001
Haemoglobin, g/L 123.3 ±21.4 123.4 ±20.7 124.9 ±20.3 0.11
Systolic blood pressure, mm Hg 145.9 ±25.1 148.5 ±26.1 148.5 ±25.8 0.035
Diastolic blood pressure, mm Hg 77.9 ±13.0 77.7 ±13.4 78.3 ±12.9 0.48
Body weight, kg 80.7 ±21.4 80.8 ±19.8 80.0 ±19.4 0.46
Body mass index, kg/m2 30.0 ±7.3 29.6 ±6.3 28.6 ±6.4 <0.001
Diabetes, n (%) 301 (32.4) 352 (32.1) 229 (25.1) 0.001
Coronary heart disease, n (%) 162 (17.4) 196 (17.9) 143 (15.7) 0.32
  1. Values are given as mean ± SD, median (interquartile range) or number (percentage) as appropriate. eGFR Estimated glomerular filtration rate according to the CKD-EPI equation, SIMD Scottish index of multiple deprivation. Quintile I comprise the most deprived and quintile V the least deprived