Table 1.
Characteristics of daily home hemodialysis patients, matched thrice-weekly in-center hemodialysis patients, and all thrice-weekly in-center hemodialysis patients alive on January 1, 2007
| Characteristics | DHHD | Matched In-Center | Standardized Differencea | All In-Centerb | Standardized Differencec |
|---|---|---|---|---|---|
| Sample size (n) | 1873 | 9365 | 262,249 | ||
| Aged (yr) | |||||
| mean (SD) | 52.2 (14.8) | 53.2 (14.7) | 6.8 | 62.6 (15.2) | 69.1 |
| median | 52.3 | 53.1 | 64.0 | ||
| Race (%) | |||||
| black | 26.5 | 28.3 | 4.1 | 38.8 | 26.4 |
| other | 73.5 | 71.7 | 4.1 | 61.2 | 26.4 |
| Sex (%) | |||||
| women | 35.8 | 37.7 | 3.9 | 45.3 | 19.5 |
| men | 64.2 | 62.3 | 3.9 | 54.7 | 19.5 |
| Primary ESRD cause (%) | |||||
| diabetes | 27.3 | 30.3 | 6.7 | 44.1 | 35.7 |
| hypertension | 19.3 | 20.6 | 3.4 | 28.9 | 22.7 |
| GN or cystic kidney disease | 30.3 | 28.4 | 4.3 | 12.6 | 44.1 |
| other or unknown | 23.1 | 20.7 | 5.9 | 14.4 | 22.6 |
| ESRD duration (yr)d | |||||
| mean (SD) | 5.5 (6.3) | 5.1 (5.8) | 5.7 | 4.0 (4.5) | 26.2 |
| median | 3.2 | 3.3 | 2.7 | ||
| BMI (kg/m2)d | |||||
| mean (SD) | 28.1 (7.0) | 27.9 (6.7) | 2.4 | 27.5 (7.0) | 8.1 |
| median | 26.9 | 26.6 | 26.3 | ||
| Comorbid conditions (%)e | |||||
| atherosclerotic heart disease | 24.0 | 22.7 | 3.2 | 34.6 | 23.4 |
| cerebrovascular disease | 8.3 | 8.1 | 1.0 | 16.4 | 24.7 |
| congestive heart failure | 26.9 | 27.1 | 0.4 | 44.6 | 37.6 |
| peripheral vascular disease | 20.9 | 20.5 | 0.9 | 32.0 | 25.3 |
| other cardiovascular disease | 20.0 | 17.9 | 5.2 | 25.8 | 14.0 |
| cancer | 9.1 | 7.3 | 6.7 | 8.7 | 1.2 |
| diabetes | 40.6 | 42.1 | 2.9 | 59.0 | 37.3 |
| Dual Medicare/Medicaid eligibility (%)d | 23.2 | 35.4 | 27.0 | 42.4 | 41.8 |
| Cumulative EPO dose (1000s IU)f | |||||
| mean (SD) | 184.0 (237.4) | 180.6 (226.6) | 1.5 | 198.9 (227.0) | 6.4 |
| median | 110.7 | 113.1 | 132.6 | ||
| Cumulative hospital daysf | |||||
| mean (SD) | 2.3 (7.7) | 2.3 (7.7) | 0.0 | 4.0 (9.6) | 18.9 |
| median | 0.0 | 0.0 | 0.0 | ||
| Transplant waitlist registrationd (%) | 35.0 | 34.8 | 0.5 | 14.2 | 49.7 |
EPO, epoetin alfa.
a
Difference between DHHD and matched in-center patients, in percentage of 1 SD.
b
Alive on January 1, 2007, with Medicare as primary payer or recent ESRD.
c
Difference between DHHD and in-center patients alive on January 1, 2007, in percentage of 1 SD. Differences <10% indicate similarity.
d
On index date.
e
During the 6 months preceding the index date or as indicated on the Medical Evidence Report.
f
During the 3 months preceding the index date.