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Table 1 Study population characteristics

From: Uremia causes premature ageing of the T cell compartment in end-stage renal disease patients

  End-stage renal disease patients not receiving renal replacement therapy End-stage renal disease patients receiving renal replacement therapy Healthy controls
Group Young Old Young Old Young Old
Number of individuals 22 33 49 49 55 65
Age in Years 33.5 ± 9.6* 64.4 ± 6.3* 35.7 ± 8.5* 63.1 ± 8.7* 38.4 ± 7.9* 63.5 ± 7.5*
Male 77.3% 60.6% 55.1% 71.4% 49.1% 38.5%
CMV positive 54.5% 51.2% 59.2% 53.1% 50.9% 49.2%
Hemodialysis    25 32   
Peritoneal dialysis    24 17   
Duration of RRT (years)    4.30 (0.1 - 22)** 2.76 (0.2 - 18)**   
Underlying kidney disease       
- Hypertensive nephropathy 13.6% 27.2% 20.8% 30.6%   
- Primary glomerulopathy 31.8% 18.2% 18.8% 18.4%   
- Diabetic nephropathy 0% 21.2% 2.1% 8.2%   
- Polycystic kidney disease 9.1% 9.0% 0% 2.0%   
- Reflux nephropathy 18.2% 3.0% 14.6% 4.1%   
- Other 9.1% 15.2% 20.9% 8.2%   
- Unknown 18.2% 6.0% 22.9% 28.6%   
  1. * Data are given in means with standard deviation.
  2. ** Data are given in means with range.