Table 3 Univariate and multivariate regression analysis of the association of sepsis with hospital charges among ICU admissions
Variables | Unadjusted coefficient (SE) | p | Adjusted coefficient (SE) | p |
|---|---|---|---|---|
Age (years) | Â | Â | NA | Â |
 18–44 | Reference |  |  |  |
 45–64 | + 1089 (1289) | 0.3981 |  |  |
 ≥ 65 | − 653 (1521) | 0.6678 |  |  |
Gender | ||||
 Male | Reference |  | Reference |  |
 Female | − 10,826 (1900) | < 0.0001 | − 5258 (1747) | 0.0026 |
Race/ethnicity | ||||
 White | Reference |  | Reference |  |
 Hispanic | + 2622 (1409) | 0.0627 | + 987 (1370) | 0.471 |
 Black | + 1112 (1343) | 0.4078 | NA |  |
 Other | + 1492 (1510) | 0.7832 | NA |  |
Health insurance | ||||
 Private | Reference |  | Reference |  |
 Medicare | − 2018 (1301) | 0.1208 | NA |  |
 Medicaid | − 3146 (1896) | 0.097 | − 1304 (1867) | 0.485 |
 No insurance | − 13,075 (2098) | < 0.0001 | − 8782 (2060) | < 0.0001 |
 Other | − 1763 (5547) | 0.7506 | NA |  |
Deyo comorbidity index | ||||
 1 | Reference |  | Reference |  |
 2–3 | + 14,394 (1321) | < 0.0001 | + 1399 (1351) | 0.3003 |
 ≥ 3 | + 30,788 (1500) | < 0.0001 | + 5673 (1576) | 0.0003 |
Transfer from another hospital | + 61,751 (2367) | < 0.0001 | + 40,665 (2296) | < 0.0001 |
Weekend admission | − 5386 (1366) | 0.0001 | − 3392 (1317) | 0.01 |
Teaching hospital | + 10,699 (1251) | < 0.0001 | + 6004 (1221) | < 0.0001 |
Number of organ dysfunctions | ||||
 1 | Reference |  | Reference |  |
 2–3 | + 449,361 (1588) | < 0.0001 | + 29,479 (1834) | < 0.0001 |
 ≥ 3 | + 123,284 (1901) | < 0.0001 | + 96,468 (2234) | < 0.0001 |
Sepsis | + 68,862 (1233) | < 0.0001 | + 39,299 (1422) | < 0.0001 |
Year of admission | + 2939 (335) | < 0.0001 | + 1680 (320) | < 0.0001 |