Table E3.
Postoperative outcomes of Medicaid/uninsured patients who underwent coronary artery bypass grafting at SNHs versus non-SNHs
| Variable | Unmatched (n = 51,116) |
Matched (n = 33,675) |
||||
|---|---|---|---|---|---|---|
| SNHs (n = 15,461) | Non-SNHs (n = 35,655) | P value | SNHs (n = 15,239) | Non-SNHs (n = 18,436) | P value | |
| In-hospital mortality | 285 (1.8%) | 600 (1.7%) | .41 | 284 (1.9%) | 293 (1.6%) | .21 |
| Acute kidney injury | 3257 (21.1%) | 6902 (19.4%) | .02 | 3188 (20.9%) | 3803 (20.6%) | .71 |
| Stroke | 326 (2.1%) | 758 (2.1%) | .94 | 315 (2.1%) | 465 (2.5%) | .05 |
| Respiratory failure | 3201 (20.7%) | 7876 (22.1%) | .18 | 3154 (20.7%) | 4256 (23.1%) | .04 |
| Infection | ||||||
| Surgical-site infection | 60 (0.4%) | 148 (0.4%) | .78 | 58 (0.4%) | 66 (0.4%) | .83 |
| Deep sternal wound infection | 26 (0.2%) | 117 (0.3%) | .02 | 26 (0.2%) | 64 (0.3%) | .06 |
| Pneumonia | 1101 (7.1%) | 2181 (6.1%) | .02 | 1071 (7.0%) | 1198 (6.5%) | .25 |
| Sepsis | 433 (2.8%) | 868 (2.4%) | .11 | 422 (2.8%) | 495 (2.7%) | .76 |
| LOS, d | 9 (7-13) | 9 (6-12) | <.001 | 9 (7-13) | 9 (6-13) | .002 |
| Total cost, $ | $50,110 (37,655-66,456) | $40,318 (31,265-54,638) | <.001 | $49,987 (37,601-66,358) | $41,352 (31,983-56,331) | <.001 |
| Discharge disposition | <.001 | <.001 | ||||
| Routine | 8498 (56.0%) | 17,850 (50.9%) | 8402 (56.2%) | 8416 (46.4%) | ||
| Home health care | 4980 (32.8%) | 13,919 (39.7%) | 4893 (32.7%) | 7844 (43.2%) | ||
| SNF or LTACH | 1524 (10.0%) | 3013 (8.6%) | 1491 (10.0%) | 1751 (9.7%) | ||
| Other | 459 (1.2%) | 873 (2.4%) | 169 (1.1%) | 132 (0.7%) | ||
| Readmission within 30 d∗ | 1893 (13.6%) (n = 13,879) | 4086 (12.7%) (n = 32,145) | .10 | 1857 (13.6%) (n = 13,677) | 2224 (13.4%) (n = 16,606) | .77 |
| Readmission within 90 d† | 2408 (21.0%) (n = 11,443) | 5319 (20.2%) (n = 26,353) | .22 | 2359 (20.9%) (n = 11,271) | 2907 (21.5%) (n = 13,508) | .46 |
SNH, Safety-net hospital; LOS, length of stay; SNF, skilled nursing facility; LTACH, long-term acute care hospital.
∗
Excluding admissions in the month of December.
†
Excluding admissions in the months of October through December. Categorical variables are presented as number (%), and continuous variables are presented as median (interquartile range).