Table 1.
Demographic, clinical and hospital characteristics in patients with and without ESRD undergoing CPR Nationwide Inpatient Sample 2005–2011
| Characteristics | With ESRD | Without ESRD | P Value |
|---|---|---|---|
| Overall number (%) | 56,069 | 323,620 | |
| Age mean (95% CI) | 64 (64 to 65) | 67 (66 to 67) | <0.001 |
| Women | 26,235 (46.8) | 153,216 (47.4) | 0.3 |
| Race/ethnicity | |||
| Whites | 19,277 (39.6) | 189,524 (69.5) | <0.001 |
| African Americans | 18,271 (37.5) | 43,199 (15.8) | |
| Latin Americans | 7288 (15.0) | 23,905 (8.8) | |
| Others | 3860 (7.9) | 16,179 (5.9) | |
| Comorbid conditions | |||
| Hypertension | 45,796 (81.7) | 150,262 (46.4) | <0.001 |
| Diabetes mellitus | 13,868 (24.7) | 67,698 (20.9) | <0.001 |
| Dyslipidemia | 1355 (2.4) | 14,917 (4.6) | <0.001 |
| Atrial fibrillation | 11,228 (20.0) | 66,517 (20.6) | 0.2 |
| Congestive heart failure | 18,201 (32.5) | 57,839 (17.9) | <0.001 |
| Deficiency anemias | 21,085 (37.6) | 52,880 (16.3) | <0.001 |
| Valvular heart disease | 4674 (8.3) | 16,590 (5.1) | <0.001 |
| Peripheral vascular disease | 11,062 (19.7) | 26,274 (8.1) | <0.001 |
| Chronic lung disease | 11,152 (19.9) | 86,120 (26.6) | <0.001 |
| Fluid and electrolyte disorder | 25,442 (45.4) | 124,774 (38.6) | <0.001 |
| Hyperkalemia | 8941(16.0) | 11,526 (3.6) | <0.001 |
| Liver disease | 2841 (5.1) | 11,169 (3.5) | <0.001 |
| Coagulopathy | 8279 (14.8) | 30,479 (9.4) | <0.001 |
| AIDS | 527 (0.9) | 857 (0.3) | <0.001 |
| Obesity | 4121 (7.3) | 25,702 (7.9) | 0.04 |
| Paralysis | 2077 (3.7) | 13,156 (4.1) | <0.1 |
| Solid tumor without metastasis | 813 (1.4) | 11,718 (3.6) | <0.001 |
| Metastatic cancer | 727 (1.3) | 15,573 (4.8) | <0.001 |
| Alcohol abuse | 957 (1.7) | 18,987 (5.9) | <0.0001 |
| Nicotine dependence | 1605 (2.9) | 31,323 (9.7) | <0.0001 |
| Coronary artery disease | 23,112 (41.2) | 126,294 (39.0) | <0.001 |
| Dementia | 570 (1.0) | 9312 (2.9) | <0.001 |
| Malnutrition | 7216 (12.9) | 27,160 (8.4) | <0.001 |
| Charlson comorbidity score-mean (SD) | 7±5 | 5±5 | <0.001 |
| Charlson comorbidity index | |||
| 0–3 | 3831 (6.8) | 88,339 (27.3) | <0.001 |
| 4–6. | 20,821 (37.2) | 182,253 (56.3) | |
| ≥7 | 31,417 (56.0) | 53,028 (16.4) | |
| Hospital bed size | |||
| Small | 5393 (9.7) | 34,536 (10.7) | <0.001 |
| Medium | 12,683 (22.7) | 81,753 (25.4) | |
| Large | 37,667 (67.6) | 205,550 (63.9) | |
| Insurance status | |||
| Medicare/Medicaid | 49,526 (88.3) | 228,192 (70.5) | <0.001 |
| Private health maintenance organization | 5401 (9.6) | 65,984 (20.4) | |
| No insurance | 1080 (1.9) | 28,890 (8.9) | |
| Hospital regions | |||
| Northeast | 9764 (17.4) | 64,980 (20.1) | <0.003 |
| Midwest | 9438 (16.8) | 60,392 (18.7) | |
| South | 23,085 (41.2) | 124,761 (38.6) | |
| West | 13,783 (24.6) | 73,488 (22.7) | |
| Teaching status | |||
| Nonteaching | 29,783 (53.4) | 183,489 (57.0) | 0.002 |
| Teaching | 25,960 (46.6) | 138,350 (43.0) |