Table 2 Patient characteristics by functional status

Age in years, mean ± SD

57.5 ± 10.3

50.7 ± 12.1

48.5 ± 12.9

Male (%)

56.8

53.2

68.3

Non-White (%)

84.1

95.4

95.1

Married (%)

54.6

42.1

50.0

<High school (%)

47.7

50.5

37.8

Live with family (%)

90.9

91.7

86.6

Poor or very poor (%)

16.3

17.8

17.7

Months on dialysis, median [IQR]

37.8 [12.0, 76.8]

48.8 [20.0, 89.4]

51.0 [19.4, 83.5]

Body mass index, mean ± SD

24.6 ± 4.2

23.6 ± 4.4

24.3 ± 4.0

Vascular access by catheter (%)

40.9

18.4

13.4

Kt/V, mean ± SD

1.47 ± 0.33

1.48 ± 0.40

1.37 ± 0.36

 Albumin in g/dL, mean ± SD

4.04 ± 0.62

4.09 ± 0.83

4.03 ± 0.55

 Hemoglobin in g/dL, mean ± SD

10.4 ± 2.00

10.7 ± 1.99

10.7 ± 1.77

 Calcium in mg/dL, mean ± SD

9.31 ± 0.64

9.25 ± 0.87

9.30 ± 0.60

 Phosphorus in mg/dL, mean ± SD

5.26 ± 1.20

5.10 ± 1.34

5.53 ± 1.26

 Urea, mean ± SD

150 ± 33.7

150 ± 39.1

161 ± 36.3

 Creatinine in mg/dL, mean ± SD

9.16 ± 3.01

9.95 ± 3.68

11.38 ± 3.44

 Intact PTH in pg/mL, median [IQR]

177 [101, 476]

235 [106, 598]

339 [188, 735]

 Hypertension

93.2

96.3

95.1

 Diabetes

56.8

31.2

12.2

 Congestive heart failure

22.7

13.8

11.0

 Coronary artery disease

15.9

4.6

3.6

 Cerebrovascular disease

13.6

2.7

7.3

 Peripheral vascular disease

9.09

2.75

4.88

 Cancer

4.55

0.00

1.22

 COPD/Asthma

2.27

3.67

1.22

 Chronic Liver Disease

11.4

3.67

6.10