Table 1

VA chronic dialysis patient baseline characteristics, by outpatient dialysis setting
Overall (n=1,388) VA (n=381) Non-VA (n=659) Dual (n=348) p
Age 62.2 (11.3) 61.7 (11.5) 63.2 (11.4) 61.0 (11.0) .005
Male, % 98.6 99.0 98.6 98.3 .736
Race, % <.001
 White 38.3 24.7 47.6 35.3 --
 Non-White 59.0 74.0 47.5 64.4 --
 Unknown 2.7 1.3 4.9 0.3 --
Marital status, % <.001
 Married 47.0 38.1 53.1 45.4 --
 Unmarried 50.9 61.2 43.7 53.4 --
 Unknown 2.0 0.8 3.2 1.1 --
Copayment required, % 6.0 8.1 5.3 4.9 .110
Diagnostic Cost Group (DCG) score 5.1 (3.1) 5.7 (3.1) 4.5 (3.0) 5.7 (3.0) <.001
Arrhythmia, % 15.9 19.4 14.7 14.1 .078
Cancer, % 12.5 13.1 10.2 16.1 .023
Cerebrovascular disease, % 13.4 13.4 12.4 15.2 .467
Congestive heart failure, % 28.2 28.3 28.2 28.2 .998
Chronic pulmonary disease, % 16.9 15.2 17.8 17.2 .568
Diabetes, % 63.8 60.9 62.5 69.5 .033
Hypertension, % 87.2 85.3 85.0 93.4 <.001
Myocardial infarction, % 6.3 5.2 7.0 6.3 .544
Liver disease, % 6.0 6.0 5.0 7.8 .216
Peripheral vascular disease, % 20.7 27.3 17.0 20.7 <.001
History of dialysis prior to baseline, % .001
 None 48.6 51.4 43.1 56.0 --
 6 months 8.2 5.5 9.7 8.3 --
 1 year 5.8 4.7 6.4 5.8 --
 2 years 37.4 38.3 40.8 29.9 --
History of hospitalization 1-year prior to baseline, % 52.2 63.5 41.6 59.8 <.001
Home VA station has dialysis, % 66.2 100 35.7 87.1 <.001
Distance to home VA station, miles 35.5 (45.4) 12.4 (39.7) 46.2 (38.6) 40.5 (53.5) <.001
Distance to nearest VA dialysis, miles 58.6 (59.6) 12.1 (36.4) 91.2 (52.0) 48.0 (55.6) <.001
Region, % <.001
 VISN A 73.7 51.2 83.5 79.9 --
 VISN B 26.3 48.8 16.5 20.1 --
All-cause Hospitalization, % 47.9 65.1 30.2 62.6 <.001
Hospitalizations for all subjects, mean 1.2 (1.7) 1.7 (2.0) 0.6 (1.3) 1.6 (2.0) <.001
Hospitalizations for patients with any hospitalization3, mean 2.4 (1.8) 2.6 (1.9) 2.1 (1.5) 2.6 (1.9) .002
Total length of stay for all subjects, mean 10.0 (27.1) 14.9 (32.9) 5.0 (15.0) 14.0 (35.3) <.001
Total length of stay for patients with any hospitalization3, mean 20.9 (36.2) 22.9 (38.5) 16.6 (23.6) 22.4 (42.4) .146
All-cause Mortality, % 12.5 14.7 13.4 8.3 .022

1. Notes: 1. Mean (SD) reported, unless noted otherwise.

2. ANOVA and Chi-square tests for differences by user type.

3. Reported means and standard deviations among patients with any hospitalization (n= 655, 47.9%).

Wang et al.

Wang et al. BMC Health Services Research 2013 13:26   doi:10.1186/1472-6963-13-26

Open Data