Table 1.

Trends in selected baseline characteristics among patients on dialysis, 2005–2012

CharacteristicYear
20052006200720082009201020112012
Patients, n235,883238,052241,437248,198251,805263,500275,527285,433
Dialysis modality, %
 In-center hemodialysis92.292.392.792.892.992.892.592.0
 Peritoneal dialysis7.87.77.37.27.17.27.58.0
Mean age, yr62.262.262.262.262.162.262.362.3
Mean dialysis duration, yr4.34.34.44.54.64.74.84.9
Male sex, %53.353.653.854.154.254.254.354.3
Race, %
 White43.242.442.141.741.240.840.640.2
 Black38.238.738.738.638.638.838.838.6
 Other18.618.919.219.720.220.420.721.2
ESRD cause, %
 Diabetes43.143.443.743.944.144.344.344.4
 Hypertension29.229.229.129.129.029.229.429.5
 GN11.711.311.010.710.410.19.89.7
 Other16.016.116.316.416.416.416.516.4
Mean BMI, kg/m228.028.328.628.929.129.429.629.7
Atrial fibrillation, %7.47.87.97.46.97.17.47.5
CAD/atherosclerosis, %21.620.920.020.019.519.018.317.4
Cancer, %2.32.22.22.22.32.22.22.2
CHF, %21.121.221.020.119.219.119.118.9
COPD, %9.49.79.89.08.18.28.17.9
Cardiovascular disease, %45.645.545.044.543.743.543.042.1
Diabetes, %25.324.924.224.323.823.923.623.1
GI bleeding, %5.25.04.84.74.54.54.64.6
HTN, %42.442.542.242.041.341.240.840.0
LV hypertrophy, %5.75.45.45.04.84.64.24.0
MI/acute coronary syndrome, %5.75.45.25.25.05.04.84.8
Other cardiac disease, %16.115.715.414.613.913.412.912.5
Pulmonary HTN, %1.41.41.41.82.02.22.42.7
PVD, %14.114.013.513.213.012.712.111.2
Stroke, %6.86.76.56.86.86.76.46.2
TIA, %1.61.61.51.51.51.51.41.4
Valvular disease, %9.69.79.89.08.27.87.77.5
  • Clinical characteristics were defined based on claims obtained from the inpatient setting during the six months preceding the index date. BMI, body mass index; CAD, coronary artery disease; CHF, congestive heart failure; COPD, chronic obstructive pulmonary disease; GI, gastrointestinal; HTN, hypertension; LV, left ventricular; PVD, peripheral vascular disease; TIA, transient ischemic attack.