Table 1.
Characteristics of patients undergoing maintenance hemodialysis on each December 31 from selected years between 1992 and 2006 by presence versus absence of AF
| Characteristics | 1992 |
1996 |
2000 |
2003 |
2006 |
|||||
|---|---|---|---|---|---|---|---|---|---|---|
| No AF | AF | No AF | AF | No AF | AF | No AF | AF | No AF | AF | |
| Number (row percent) | 100,263 (96.5) | 3620 (3.5) | 132,269 (94.3) | 7923 (5.7) | 160,206 (92.2) | 13,467 (7.8) | 183,893 (90.9) | 18,410 (9.1) | 199,584 (89.3) | 23,893 (10.7) |
| Age | 59.6 (±15.5) | 70.4 (±10.3) | 60.2 (±15.4) | 70.5 (±10.9) | 60.9 (±15.3) | 70.8 (±11.4) | 61.3 (±15.2) | 71.1 (±11.5) | 61.3 (±15.0) | 70.9 (±11.8) |
| Female | 48,740 (48.6) | 1726 (47.7) | 63,870 (48.3) | 3771 (47.6) | 76,008 (47.4) | 6101 (45.3) | 85,809 (46.7) | 8042 (43.7) | 91,267 (45.7) | 10,513 (44.0) |
| Male | 51,523 (51.4) | 1894 (52.3) | 68,399 (51.7) | 4152 (52.4) | 84,198 (52.6) | 7366 (54.7) | 98,084 (53.3) | 10,368 (56.3) | 108,317 (54.3) | 13,380 (56.0) |
| Race | ||||||||||
| Caucasian | 54,817 (54.7) | 2684 (74.1) | 69,500 (52.5) | 5653 (71.4) | 83,695 (52.2) | 9822 (72.9) | 96,405 (52.4) | 13,425 (72.9) | 104,595 (52.4) | 17,103 (71.6) |
| African American | 41,909 (41.8) | 837 (23.1) | 57,137 (43.2) | 1995 (25.2) | 68,962 (43.1) | 3169 (23.5) | 78,247 (42.6) | 4309 (23.4) | 84,358 (42.3) | 5859 (24.5) |
| Asian American | 2186 (2.2) | 82 (2.3) | 3606 (2.7) | 219 (2.8) | 4911 (3.1) | 377 (2.8) | 6227 (3.4) | 556 (3.0) | 7299 (3.7) | 741 (3.1) |
| Native American | 1351 (1.4) | 17 (0.5) | 2026 (1.5) | 56 (0.7) | 2638 (1.7) | 99 (0.7) | 3014 (1.6) | 120 (0.7) | 3332 (1.7) | 190 (0.8) |
| Medicaid | 35,234 (35.1) | 944 (26.1) | 52,207 (39.5) | 2389 (30.2) | 64,956 (40.6) | 4116 (30.6) | 70,898 (38.6) | 5552 (30.2) | 65,782 (33.0) | 6319 (26.5) |
| Dialysis vintage | 3.9 (±3.9) | 3.6 (±3.7) | 4.1 (±4.1) | 3.9 (±4.0) | 4.2 (±4.3) | 4.0 (±4.0) | 4.4 (±4.4) | 4.0 (±4.3) | 4.5 (±4.6) | 4.3 (±4.4) |
| <1 year | 19,972 (19.9) | 923 (25.5) | 23,970 (18.1) | 1494 (18.9) | 28,636 (17.9) | 2420 (18.0) | 31,049 (16.9) | 3652 (19.8) | 32,758 (16.4) | 4320 (18.1) |
| 1 to 3 years | 36,099 (36.0) | 1274 (35.2) | 46,581 (35.2) | 2885 (36.4) | 53,104 (33.2) | 4783 (35.5) | 59,293 (32.2) | 6729 (36.6) | 62,393 (31.3) | 7933 (33.2) |
| >3 years | 44,192 (44.1) | 1423 (39.3) | 61,718 (46.7) | 3544 (44.7) | 78,466 (49.0) | 6264 (46.5) | 93,551 (50.9) | 8029 (43.6) | 104,433 (52.3) | 11,640 (48.7) |
| Comorbid conditions | ||||||||||
| diabetes | 40,499 (40.4) | 1500 (41.4) | 74,932 (56.7) | 4732 (59.7) | 100,578 (62.8) | 8983 (66.7) | 123,729 (67.3) | 13,174 (71.6) | 142,638 (71.5) | 18,087 (75.7) |
| hypertension | 47,890 (47.8) | 2286 (63.2) | 105,969 (80.1) | 7030 (88.7) | 146,530 (91.5) | 12,734 (94.6) | 174,253 (94.8) | 17,732 (96.3) | 193,016 (96.7) | 23,449 (98.1) |
| heart failure | 37,612 (37.5) | 2690 (74.3) | 72,550 (54.9) | 6706 (84.6) | 93,690 (58.5) | 11,559 (85.8) | 110,781 (60.0) | 16,055 (87.2) | 124,014 (62.1) | 20,959 (87.7) |
| coronary artery disease | 20,922 (20.9) | 1599 (44.2) | 44,655 (33.8) | 4680 (59.1) | 63,493 (39.6) | 8752 (65.0) | 76,444 (41.6) | 12,168 (66.1) | 83,203 (41.7) | 15,251 (63.8) |
| cerebrovascular disease | 9267 (9.2) | 700 (19.3) | 24,094 (18.2) | 2484 (31.4) | 35,064 (21.9) | 4658 (34.6) | 42,779 (23.3) | 6593 (35.8) | 48,775 (24.4) | 8811 (36.9) |
| peripheral artery disease | 18,757 (18.7) | 1168 (32.3) | 42,435 (32.1) | 3942 (49.8) | 58,062 (36.2) | 7373 (54.8) | 70,382 (38.3) | 10,267 (55.8) | 80,989 (40.6) | 13,816 (57.8) |
| COPD | 9919 (9.9) | 845 (23.3) | 22,621 (17.1) | 2635 (33.3) | 33,063 (20.6) | 4884 (36.3) | 43,255 (23.5) | 7490 (40.7) | 52,410 (26.3) | 10,520 (44.0) |
| cancer | 4157 (4.2) | 233 (6.4) | 9110 (6.9) | 862 (10.9) | 13,163 (8.2) | 1690 (12.6) | 16,625 (9.0) | 2621 (14.2) | 19,547 (9.8) | 3621 (15.2) |
| inability to ambulate | NA | NA | 1920 (1.5) | 176 (2.2) | 3394 (2.1) | 367 (2.7) | 4052 (2.2) | 637 (3.5) | 5678 (2.8) | 1065 (4.5) |
| inability to transfer | NA | NA | 555 (0.4) | 68 (0.9) | 925 (0.6) | 123 (0.9) | 1142 (0.6) | 204 (1.1) | 1935 (1.0) | 418 (1.8) |
Data are presented as count (column percentage) or mean (±SD) unless indicated otherwise. Information on inability to ambulate and inability to transfer was not collected on the Medical Evidence Report until the 1995 version of the form (HCFA-2728, later CMS-2728). Data on all years between 1992 and 2006 are presented in Appendix 1. COPD, chronic obstructive pulmonary disease; NA, not available.