Table 3.
Parameter | Black | White | P |
---|---|---|---|
n (%) | 195 (4) | 4841 (96) | |
Age (yr; median [IQR]) | 43 (30 to 52) | 45 (35 to 55) | 0.0400a |
Male | 129 (66) | 3104 (64) | 0.5600 |
Cause of ESRD, n (%) | |||
diabetic nephropathy | 38 (19) | 984 (20) | 0.7800 |
glomerulonephritis | 55 (28) | 1540 (32) | 0.2900 |
hypertensive/ischemic renal disease | 43 (22) | 343 (7) | <0.0001 |
polycystic kidney disease | 11 (6) | 636 (13) | 0.0020 |
other | 48 (25) | 1338 (28) | 0.3500 |
Comorbidity, n (%)b | |||
diabetesc | 7 (4) | 116 (2) | 0.2900 |
coronary diseased | 22 (11) | 439 (9) | 0.2900 |
chronic heart failure | 30 (15) | 459 (9) | 0.0060 |
stroke or TIA | 9 (5) | 120 (2) | 0.0600 |
chronic lung disease | 2 (1) | 120 (2) | 0.2000 |
peripheral vascular disease | 6 (3) | 176 (4) | 0.6800 |
malignancy | 4 (2) | 125 (3) | 0.6500 |
Current smoker, n (%) | 12 (6) | 748 (15) | 0.0004 |
Initial peritoneal dialysis modality, n (%) | 61 (31) | 1655 (34) | 0.400 |
Lowest quintile of SES | 70 (36) | 961 (20) | <0.0001 |
Rural | 4 (2) | 1032 (21) | <0.0001 |
Geographic region, n (%) | |||
Atlantic Canada | 8 (4) | 482 (10) | 0.0070 |
Quebec | 40 (21) | 1182 (24) | 0.2100 |
Ontario | 115 (59) | 1747 (36) | <0.0001 |
Manitoba | 2 (1) | 145 (3) | 0.1100 |
Saskatchewan | 1 (1) | 175 (4) | 0.0200 |
Alberta | 18 (9) | 519 (11) | 0.5100 |
British Columbia | 11 (6) | 591 (12) | 0.0060 |
Year of dialysis initiation, n (%) | |||
1990 to 1992 | 46 (24) | 1217 (25) | 0.6200 |
1993 to 1994 | 35 (18) | 914 (19) | 0.7400 |
1995 to 1996 | 44 (23) | 920 (19) | 0.2200 |
1997 to 1998 | 38 (19) | 962 (20) | 0.8900 |
1999 to 2000 | 32 (16) | 828 (17) | 0.8000 |
Kruskal-Wallis test; all others χ2 test.
Comorbidity data collected at dialysis initiation.
In participants for whom the primary cause of ESRD was not diabetic nephropathy.
Includes angina, previous myocardial infarction, or previous coronary revascularization.