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Table 3 Selected patient demographic data, at first HD treatment, in each dialysis unit

From: Effect of electronic patient record use on mortality in End Stage Renal Disease, a model chronic disease: retrospective analysis of 9 years of prospectively collected data

  Unit A
(1998–2006)
Unit B
(1999–2006)
Unit C
(2000–2006)
Number of patients 858 515 417
Age at start of first HD treatment during the study period (years) 56.9 60.4 62.5
Gender (male: female) (%) 53.7:46.3 52.6:47.4 51.8:48.2
Race (White: Black: Other/Unknown) (%) 40.9:38.2:20.9 49.1:23.1:27.8 37.4:49.2:13.6
Hispanic (%) 19.1 17.8 13.4
Dialysis vintage ≤ 91 days (%) 41.2 41.9 65.0
Dialysis vintage > 2 years (%) 40.6 33.2 17.0
Dialysis vintage > 5 years (%) 23.9 16.3 4.7