Table 3.
Demographic Characteristics of the CORR Cohort by Initial Dialysis Modality
| Characteristic | HD Starters (n = 31,148) | PD Starters (n = 8,170) | P |
|---|---|---|---|
| Demographics | |||
| Age, y | 64.6 ± 15.2 | 61.3 ± 15.0 | <0.001 |
| Male sex | 18,880 (60.6%) | 4,779 (58.5%) | <0.001 |
| Comorbid conditions | |||
| Previous unstable angina | <0.001 | ||
| Yes | 5,385 (17.3%) | 936 (11.5%) | |
| No | 22,386 (71.9%) | 6,480 (79.3%) | |
| Missing/uncertain | 3,377 (10.8%) | 754 (9.2%) | |
| Previous myocardial infarction | <0.001 | ||
| Yes | 6,220 (20.0%) | 1,089 (13.3%) | |
| No | 21,829 (70.1%) | 6,388 (78.2%) | |
| Missing/uncertain | 3,099 (9.9%) | 693 (8.5%) | |
| Pulmonary edema | <0.001 | ||
| Yes | 7,669 (24.6%) | 861 (10.5%) | |
| No | 20,297 (65.2%) | 6,573 (80.5%) | |
| Missing/uncertain | 3,182 (10.2%) | 736 (9.0%) | |
| Diabetes (type 1 & 2) | <0.001 | ||
| Yes | 15,938 (51.2%) | 3,880 (47.5%) | |
| No | 13,410 (43.0%) | 3,857 (47.2%) | |
| Missing/uncertain | 1,800 (5.8%) | 433 (5.3%) | |
| Previous cerebrovascular accident | <0.001 | ||
| Yes | 4,212 (13.5%) | 771 (9.4%) | |
| No | 23,861 (76.6%) | 6,709 (82.2%) | |
| Missing/uncertain | 3,075 (9.9%) | 690 (8.4%) | |
| Peripheral vascular disease | <0.001 | ||
| Yes | 5,256 (16.9%) | 909 (11.1%) | |
| No | 22,605 (72.6%) | 6,516 (79.8%) | |
| Missing/uncertain | 3,287 (10.5%) | 745 (9.1%) | |
| Lung disease | <0.001 | ||
| Yes | 3,585 (11.5%) | 446 (5.5%) | |
| No | 24,034 (77.2%) | 6,955 (85.1%) | |
| Missing/uncertain | 3,529 (11.3%) | 769 (9.4%) | |
| Hypertension | <0.001 | ||
| Yes | 24,024 (77.1%) | 6,599 (80.8%) | |
| No | 4,915 (15.8%) | 1,002 (12.3%) | |
| Missing/uncertain | 2,209 (7.1%) | 569 (7.0%) | |
| Current smoker | <0.001 | ||
| Yes | 4,208 (13.5%) | 966 (11.8%) | |
| No | 22,416 (72.0%) | 6,329 (77.5%) | |
| Missing/uncertain | 4,524 (14.5%) | 875 (10.7%) | |
| Previous CABG | <0.001 | ||
| Yes | 4,589 (14.7%) | 837 (10.2%) | |
| No | 23,483 (75.4%) | 6,644 (81.3%) | |
| Missing/uncertain | 3,076 (9.9%) | 689 (8.4%) | |
| Malignancy | <0.001 | ||
| Yes | 4,156 (13.3%) | 646 (7.9%) | |
| No | 2,833 (73.3%) | 6,663 (81.6%) | |
| Missing/uncertain | 4,159 (13.4%) | 861 (10.5%) |
Abbreviations: CABG, coronary artery bypass graft; CORR, Canadian Organ Replacement Register; HD, hemodialysis; PD, peritoneal dialysis.