Table 2.
Baseline characteristics of patients on hemodialysis with hospitalized mesenteric ischemia (cases) and without hospitalized mesenteric ischemia (controls)
| Characteristic | Cases (n=626) with Mesenteric Ischemia | Controls (n=2428) without Mesenteric Ischemia |
|---|---|---|
| Demographics | ||
| Age, yr (±SD) | 72 (10) | 72 (9) |
| Male | 267 (43%) | 1040 (43%) |
| Race | ||
| White | 463 (74%) | 1826 (75%) |
| Black | 133 (21%) | 492 (20%) |
| Asian | 17 (3%) | 83 (3%) |
| Native American | 11 (2%) | 25 (1%) |
| Other/unknown | 2 (0.3%) | 2 (0.1%) |
| Dialysis vintage, median (IQR), yr | 1.5 (0.8–2.6) | 1.5 (0.8–2.6) |
| Year of dialysis initiation | ||
| 2006 | 183 (29%) | 703 (29%) |
| 2007 | 140 (22%) | 546 (23%) |
| 2008 | 126 (20%) | 489 (20%) |
| 2009 | 102 (16%) | 400 (17%) |
| 2010 | 61 (10%) | 238 (10%) |
| 2011 | 14 (2%) | 52 (2%) |
| Cause of ESKD | ||
| Diabetes | 293 (47%) | 1263 (52%) |
| Hypertension | 220 (35%) | 775 (32%) |
| GN | 38 (6%) | 104 (4%) |
| Other | 54 (9%) | 208 (9%) |
| Unknown | 21 (3%) | 78 (3%) |
| Health care use in 30 d before index date | ||
| Number of non-nephrology outpatient visits (±SD) | 5.6 (4.7) | 4.8 (4.5) |
| Hospital days (±SD) | 1.0 (2.2) | 0.5 (1.6) |
| Any nursing home stay | 93 (15%) | 285 (12%) |
| On kidney transplant waiting list | 29 (5%) | 124 (5%) |
| Cardiovascular comorbidities | ||
| Coronary artery disease | 455 (73%) | 1782 (73%) |
| Myocardial infarction | 123 (20%) | 397 (16%) |
| Angina | 146 (23%) | 493 (20%) |
| Heart failure | 456 (73%) | 1711 (71%) |
| Hypertension | 610 (97%) | 2352 (97%) |
| Atrial fibrillation | 253 (40%) | 747 (31%) |
| Other arrhythmia | 211 (34%) | 645 (27%) |
| Stroke/transient ischemic attack | 150 (24%) | 544 (22%) |
| Valvular disease | 214 (34%) | 754 (31%) |
| Cerebrovascular disease | 173 (28%) | 583 (24%) |
| Peripheral arterial disease/lower limb amputation | 354 (57%) | 1370 (56%) |
| Other medical comorbidities | ||
| Diabetes mellitus | 457 (73%) | 1798 (74%) |
| Hyperlipidemia | 398 (64%) | 1559 (64%) |
| Gastrointestinal bleeding | 157 (25%) | 488 (20%) |
| Peptic ulcer disease | 44 (7%) | 96 (4%) |
| Intracranial hemorrhage | 14 (2%) | 45 (2%) |
| Liver disease | 67 (11%) | 213 (9%) |
| Chronic lung disease | 326 (52%) | 1013 (42%) |
| Smoking history | 63 (10%) | 176 (7%) |
| Alcohol abuse | 11 (2%) | 29 (1%) |
| Drug abuse | 29 (5%) | 65 (3%) |
| Dementia | 72 (12%) | 258 (11%) |
| Depression | 153 (24%) | 513 (21%) |
| Cancer | 91 (15%) | 320 (13%) |
| Hypothyroidism | 157 (25%) | 526 (22%) |
| Obesity | 97 (16%) | 324 (13%) |
Values are presented as mean (±SD), n (%), or median (interquartile range [IQR]), unless otherwise indicated.