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Table 3 Clinical markers of kidney function in two consecutive investigations

From: Metals and kidney markers in adult offspring of endemic nephropathy patients and controls: a two-year follow-up study

  Variable N Median 5%-value 95%-value Spearman correlation coefficient (p) ICC ICC 5%-value
Total protein in urine (mg/L) 2003/04 201 30.0 10 140 -0.03 (p = 0.73) 0.03 -0.09
  2004/05 189 13.5 0 86    
Albumin in urine (mg/L) 2003/04 201 5.9 0.9 36 0.05 (0.53) -0.14 -0.26
  2004/05 188 1.0 0.9 17    
β2-micro-globulin in urine (ng/mL) 2003/04 201 25.1 7.3 171 0.41 (< 0.0001) -086 -0.89
  2004/05 189 37.5 12.5 244    
Creatinine in 1-hour urine (g/L) 2003/04 188 0.27 0.06 1.23 0.29 (p < 0.001) 0.23 0.11
  2004/05 189 0.44 0.11 1.7    
Creatinine in 4-hour urine (g/l) 2003/04 201 0.19 0.05 1.43 0.05 (0.47) -0.04 -0.16
  2004/05 189 0.13 0.03 0.54    
Glomerular filtration rate/BSA# 2003/04 200 59.8 22.4 292 0.07 (0.33) -0.16 -0.27
  2004/05 189 41.5 5.6 144    
CCR (Cockcroft & Gault)/BSA# (mL/min/m2) 2003/04 199 58.2 41.6 79.7 0.264 (< 0.0003) 0.24 0.12
  2004/05 189 54.4 38.4 87.0    
Kidney length (average of both) (mm) 2003/04 201 118.5 106 128.5 0.91 (< 0.0001) 0.92 0.9
  2004/05 189 118 106.5 129.5    
Minimal kidney cortex width (average) (mm) 2003/04 201 16.0 12 18.5 0.68 (< 0.0001) 0.66 0.58
  2004/05 189 15.5 12 19    
  1. # BSA = square root ((height in cm × weight in kg)/3600)