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. 2023 Jan 23;13:136–149. doi: 10.1016/j.xjon.2023.01.008

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).