Table 1.
Characteristics of Readmitted Patients, Separated by Preventable and Not Preventable Readmissions (N=893)
| Characteristic | Preventable (n=380) | Not Preventable (n=513) | P Value |
|---|---|---|---|
| Age, mean±SD y | 68.3±11.5 | 65.8±13.8 | 0.004 |
| Male, % | 254 (66.8%) | 322 (62.8%) | 0.208 |
| Risk of readmission, mean ± SD | 16.9±9.9% | 16.2±9.2% | 0.261 |
| Race/ethnicity, % | 0.829 | ||
| Black | 18 (4.7%) | 27 (5.3%) | |
| Hispanic | 13 (3.4%) | 23 (4.5%) | |
| White | 333 (87.6%) | 445 (86.7%) | |
| Asian | 14 (3.7%) | 14 (2.7%) | |
| Native American | 0 | 1 (0.2%) | |
| Other | 2 (0.53%) | 3 (0.58%) | |
| Admission status, % | 0.049 | ||
| Emergency department | 137 (36.1%) | 207 (40.4%) | |
| Transfer from acute care | 119 (31.3%) | 177 (35.5%) | |
| Other | 124 (32.6%) | 129 (25.2%) | |
| Insurance, % | 0.928 | ||
| Government | 225 (59.2%) | 294 (57.3%) | |
| Commercial | 102 (26.8%) | 148 (28.9%) | |
| HMO | 45 (11.8%) | 59 (11.5%) | |
| None | 5 (1.3%) | 9 (1.8%) | |
| Non‐US insurance | 3 (0.8%) | 3 (0.6%) | |
| Prior MI >7 days, % | 158 (41.6%) | 203 (39.6%) | 0.546 |
| CHF history, % | 111 (29.2%) | 118 (23.0%) | 0.036 |
| Prior valve surgery, % | 20 (5.3%) | 17 (3.3%) | 0.148 |
| Prior PCI, % | 134 (35.3%) | 199 (38.8%) | 0.281 |
| Prior CABG, % | 82 (21.6%) | 105 (20.5%) | 0.687 |
| Diabetes, % | 175 (46.1%) | 186 (36.3%) | 0.003 |
| GFR, mL/min±SD | 62.7 ± 26.5 | 70.4 ± 31.0 | <0.001 |
| Hypertension, % | 330 (86.8%) | 427 (83.2%) | 0.138 |
| Dyslipidemia, % | 359 (94.5%) | 488 (95.1%) | 0.662 |
| CVD, % | 88 (23.2%) | 114 (22.2%) | 0.741 |
| PAD, % | 113 (29.7%) | 111 (21.6%) | 0.006 |
| Chronic lung disease, % | 79 (20.8%) | 106 (20.7%) | 0.963 |
| Arterial access site | 0.503 | ||
| Femoral, % | 333 (87.6%) | 431 (84.0%) | |
| Brachial, % | 3 (0.8%) | 6 (1.2%) | |
| Radial, % | 37 (9.7%) | 64 (12.5%) | |
| PCI status | < 0.001 | ||
| Elective, % | 88 (23.2%) | 79 (15.4%) | |
| Urgent, % | 208 (54.7%) | 341 (66.5%) | |
| Emergency, % | 81 (21.3%) | 93 (18.1%) | |
| Salvage, % | 3 (0.8%) | 0 | |
| Drug eluting stent used, % | 167 (49.7%) | 253 (52.7%) | 0.398 |
HMO indicates health maintenance organization; MI, myocardial infarction; CHF, congestive heart failure; PCI, percutaneous coronary intervention; CABG, coronary artery bypass graft surgery; GFR, glomerular filtration rate; CVD, cerebrovascular disease; PVD, peripheral vascular disease.