Table 1 Study population baseline characteristics overall and by outcomes of interests
Characteristics | Total | Mortality | Incidence | |
|---|---|---|---|---|
All-Cause | CVD-Specific | Incident CVD Event | ||
n | 314,079 | 82,567 | 35,857 | 208,113 |
Person-day | 193,121,928 | 193,121,928 | 193,121,928 | 94,385,773 |
Age at HD Initiation (year) | 63.6 (14.6) | 69.0 (13.0) | 69.4 (13.2) | 65.4 (14.0) |
Age at HD Initiation | ||||
 18–44 years | 34,191 (10.9) | 3,803 (4.6) | 1,808 (5.0) | 17,019 (8.2) |
 45–64 years | 119,140 (37.9) | 23,565 (28.5) | 10,759 (30.0) | 74,068 (35.6) |
 65–74 years | 81,741 (26.0) | 23,978 (29.0) | 10,280 (28.7) | 57,125 (27.5) |
 75 years and older | 79,007 (25.2) | 31,221 (37.8) | 13,010 (36.3) | 59,901 (28.8) |
Vintage (year)a | 1.9 (1.4) | 1.7 (1.2) | 1.7 (1.2) | 2.2 (1.5) |
Vintage (year) | ||||
 Less than 1 year | 108,957 (34.7) | 32,153 (38.9) | 13,596 (37.9) | 54,144 (26.0) |
 1 – 2 years | 81,617 (26.0) | 23,347 (28.3) | 10,145 (28.3) | 55,742 (26.8) |
 2 – 3 years | 53,198 (16.9) | 14,035 (17.0) | 6,266 (17.5) | 40,457 (19.4) |
 3 – 4 years | 35,163 (11.2) | 8,058 (9.8) | 3,644 (10.2) | 28,315 (13.6) |
 Over 4 years | 35,144 (11.2) | 4,974 (6.0) | 2,206 (6.2) | 29,455 (14.2) |
BMI (kg/m2) | 29.9 (8.1) | 29.0 (8.0) | 29.3 (8.0) | 29.8 (8.2) |
Female | 131,209 (43.9) | 36,343 (44.0) | 15,244 (42.5) | 93,832 (45.1) |
Race | ||||
 White | 194,790 (65.1) | 58,106 (70.4) | 25,103 (70.0) | 136,196 (65.4) |
 Black | 88,415 (29.6) | 20,071 (24.3) | 8,917 (24.9) | 60,123 (28.9) |
 Other | 15,868 (5.3) | 4,390 (5.3) | 1,837 (5.1) | 11,794 (5.7) |
Reported Cause of Kidney Failure | ||||
 Diabetes | 152,106 (48.4) | 40,205 (48.7) | 18,734 (52.3) | 105,544 (50.7) |
 Glomerulonephritis | 20,846 (6.6) | 3,536 (4.3) | 1,368 (3.8) | 11,351 (5.5) |
 Hypertension | 97,204 (31.0) | 26,555 (32.2) | 11,530 (32.2) | 64,554 (31.0) |
 Other | 43,923 (14.0) | 12,271 (14.9) | 4,225 (11.8) | 26,664 (12.8) |
Access Type | ||||
 AVF | 54,008 (18.1) | 11,094 (13.4) | 4,937 (13.8) | 32,914 (15.8) |
 Graft | 9,527 (3.2) | 2,427 (2.9) | 1,070 (3.0) | 6,543 (3.1) |
 Catheter | 235,042 (78.6) | 66,320 (80.3) | 28,782 (80.3) | 159,809 (76.8) |
 Other | 496 (0.2) | 139 (0.2) | 61 (0.2) | 327 (0.2) |
Baseline Comorbidities | ||||
 CVD | 160,760 (53.8) | 53,452 (64.7) | 24,218 (67.5) | 123,121 (59.2) |
 COPD | 30,417 (10.2) | 11,841 (14.3) | 5,220 (14.6) | 24,067 (11.6) |
 Diabetes Mellitus | 178,489 (59.7) | 49,725 (60.2) | 22,728 (63.4) | 128,114 (61.6) |
Geographic Region | ||||
 Northeast | 68,668 (21.9) | 20,183 (24.4) | 8,831 (24.6) | 47,707 (22.9) |
 Midwest | 59,243 (19.9) | 15,362 (18.6) | 6,033 (16.8) | 39,405 (18.9) |
 West | 40,001 (12.7) | 9,091 (11.0) | 4,146 (11.6) | 24,398 (11.7) |
 South | 146,167 (46.5) | 37,931 (45.9) | 16,847 (47.0) | 96,603 (46.4) |
Baseline Employment Status | ||||
 Employed | 30,746 (9.8) | 4,621 (5.6) | 2,082 (5.8) | 15,655 (7.5) |
 Retired | 196,525 (62.6) | 61,159 (74.1) | 26,353 (73.5) | 139,909 (67.2) |
 Unemployed | 76,338 (24.3) | 15,088 (18.3) | 6,793 (10.9) | 47,033 (22.6) |
 Other | 10,470 (3.3) | 1,699 (2.1) | 629 (1.8) | 5,516 (2.7) |