Table 2. Baseline characteristics.
Variable | Home DHD n=1116 | Home PD n=2784 | Standardized difference | Home DHD n=1187 | In-center CHD n=3173 | Standardized difference |
---|---|---|---|---|---|---|
Age (years) | 50.5 (15.8) | 50.9 (15.6) | 2.1 | 50.3 (15.9) | 50.8 (15.7) | 2.9 |
18–29 years (%) | 10.5 | 9.2 | 4.4 | 10.6 | 9.7 | 3.0 |
30–39 years (%) | 18.2 | 16.2 | 5.3 | 19.2 | 19.0 | 0.4 |
40–49 years (%) | 18.6 | 17.9 | 1.8 | 17.4 | 17.7 | 1.0 |
50–59 years (%) | 19.4 | 20.8 | 3.5 | 20.3 | 20.1 | 0.5 |
60–69 years (%) | 20.8 | 22.2 | 3.3 | 19.8 | 20.6 | 2.0 |
>70 years (%) | 12.6 | 13.9 | 3.7 | 12.8 | 12.8 | 0.2 |
Male sex (%) | 67.3 | 66.9 | 0.9 | 67.6 | 67.6 | 0.1 |
Smoker (%) | 7.4 | 6.9 | 1.9 | 7.2 | 7.3 | 0.6 |
BMI (kg/m2; %) | 29.0 (6.8) | 28.6 (6.2) | 6.0 | 29.6 (7.2) | 29.8 (7.1) | 1.8 |
Race | ||||||
White (%) | 70.9 | 73.1 | 1.9 | 68.8 | 68.0 | 1.9 |
Black (%) | 26.6 | 25.1 | 3.4 | 28.1 | 29.1 | 2.1 |
Others (%) | 2.5 | 1.2 | 9.7 | 3.0 | 3.0 | 0.4 |
ESRD start date | ||||||
1977–1994 (%) | 0.6 | 0.6 | 0.4 | 0.6 | 0.4 | 3.5 |
1995–1999 (%) | 8.1 | 7.6 | 1.6 | 8.3 | 6.7 | 6.1 |
2000–2004 (%) | 21.2 | 22.1 | 2.0 | 23.0 | 22.5 | 1.2 |
2005–2009 (%) | 70.1 | 69.8 | 0.6 | 68.0 | 70.4 | 5.1 |
ESRD duration (years) | 3.3 (2.9) | 3.3 (3.2) | 2.3 | 3.5 (2.9) | 3.5 (2.7) | 0.7 |
1–3 months (%) | 0.9 | 1.0 | 1.4 | 0.9 | 1.0 | 1.1 |
3–6 months (%) | 7.4 | 8.4 | 4.0 | 7.5 | 8.4 | 3.4 |
6–12 months (%) | 10.7 | 11.7 | 3.3 | 10.8 | 12.0 | 3.8 |
12–24 months (%) | 18.0 | 19.6 | 4.0 | 18.5 | 20.3 | 4.8 |
24–48 months (%) | 32.4 | 34.4 | 4.4 | 31.1 | 30.8 | 0.6 |
48–72 months (%) | 15.9 | 13.9 | 5.5 | 15.1 | 14.3 | 2.4 |
72–96 months (%) | 5.9 | 4.2 | 8.0 | 7.5 | 6.7 | 3.0 |
>96 months (%) | 8.9 | 6.8 | 8.2 | 8.6 | 6.4 | 8.3 |
Access type | ||||||
AV fistula (%) | 10.9 | — | — | 10.6 | 9.4 | 3.9 |
AV graft (%) | 2.1 | — | — | 2.0 | 2.1 | 0.6 |
Catheter (%) | 33.8 | — | — | 34.9 | 33.4 | 3.1 |
Unknown (%) | 53.2 | — | — | 52.5 | 55.0 | 5.1 |
Wait-listed for transplant (%) | 40.6 | 40.1 | 1.0 | 39.0 | 38.1 | 2.9 |
Prior transplant (%) | ||||||
0 | 88.7 | 90.8 | 6.8 | 91.3 | 93.5 | 8.4 |
1 | 10.1 | 8.6 | 5.4 | 8.4 | 6.4 | 7.8 |
2 | 1.1 | 0.7 | 5.0 | 0.2 | 0.1 | 3.9 |
Comorbidities | ||||||
Diabetes (%) | 24.1 | 24.9 | 2.0 | 22.9 | 23.5 | 1.4 |
Hypertension (%) | 82.0 | 82.2 | 0.3 | 82.1 | 81.6 | 1.3 |
CHF (%) | 16.5 | 16.1 | 1.0 | 18.1 | 18.3 | 0.6 |
IHD (%) | 6.3 | 7.4 | 4.6 | 5.5 | 5.8 | 1.5 |
CVD (%) | 2.6 | 2.1 | 3.7 | 4.8 | 5.5 | 3.3 |
PVD (%) | 7.8 | 8.4 | 2.1 | 8.3 | 9.5 | 4.4 |
COPD (%) | 5.1 | 5.39 | 1.3 | 5.3 | 5.26 | 0.2 |
Cancer (%) | 3.3 | 2.51 | 4.8 | 5.8 | 3.56 | 10.4 |
Lab values | ||||||
Albumin (g/dl; %) | 3.3 (0.71) | 3.3 (0.71) | 2.8 | 3.3 (0.7) | 3.3 (0.7) | 2.9 |
Hemoglobin (g/dl; %) | 10.1 (1.77) | 10.0 (1.77) | 4.5 | 10.0 (1.8) | 10.0 (1.8) | 3.4 |
Abbreviations: AV, arteriovenous; BMI, body mass index; CHD, conventional hemodialysis; CHF, congestive heart failure; COPD, chronic obstructive pulmonary disease; CVD, cerebrovascular disease; DHD, daily hemodialysis; ESRD, end-stage renal disease; IHD, ischemic heart disease; PD, peritoneal dialysis; PVD, peripheral vascular disease. Results are presented as mean (s.d.) or percentage as indicated.