Table 2 Univariate and multivariate regression analysis of the association of sepsis with hospital length of stay among ICU admissions
Variables | Unadjusted coefficient (SE) | p | Adjusted coefficient (SE)a | p |
|---|---|---|---|---|
Age (years) | ||||
 18–44 | Reference |  | Reference |  |
 45–64 | − 0.2196 (0.1027) | 0.0326 | − 0.2093 (0.1008) | 0.0378 |
  ≥ 65 | − 0.2070 (0.1213) | 0.0878 | − 0.3543 (0.1240) | 0.0043 |
Gender | ||||
 Male | Reference |  | Reference |  |
 Female | − 0.5979 (0.1509) | 0.0001 | − 0.2490 (0.1380) | 0.0713 |
Race/ethnicity | ||||
 White | Reference |  | Reference |  |
 Hispanic | + 0.3199 (0.1122) | 0.0044 | + 0.0339 (0.1100) | 0.7576 |
 Black | + 0.5898 (0.1070) | < 0.0001 | + 0.3546 (0.1066) | 0.0009 |
 Other | + 0.2157 (0.1273) | 0.0318 | + 0.1728 (0.1035) | 0.0921 |
Health insurance | ||||
 Private | Reference |  | Reference |  |
 Medicare | − 0.1572 (0.1037) | 0.1296 | NA |  |
 Medicaid | + 0.5840 (0.1511) | 0.0001 | + 0.8254 (0.1379) | < 0.0001 |
 No insurance | + 0.1102 (0.1673) | 0.5100 | NA |  |
 Other | − 0.4364 (0.4422) | 0.3236 | NA |  |
Deyo comorbidity index | ||||
 1 | Reference |  | Reference |  |
 2–3 | + 1.1905 (0.1052) | < 0.0001 | + 0.0752 (0.1060) | 0.4778 |
 ≥ 3 | + 2.6888 (0.1194) | < 0.0001 | + 0.6456 (0.1250) | < 0.0001 |
Transfer from another hospital | + 5.9152 (0.1878) | < 0.0001 | + 4.3064 (0.1814) | < 0.0001 |
Weekend admission | − 0.3642 (0.1089) | 0.0008 | − 0.2984 (0.1040) | 0.0041 |
Teaching hospital | + 1.5480 (0.0994) | < 0.0001 | + 1.0423 (0.0962) | < 0.0001 |
Number of organ dysfunctions | ||||
 1 | Reference |  | Reference |  |
 2–3 | + 4.5096 (0.1277) | < 0.0001 | + 2.1771 (0.1452) | < 0.0001 |
 ≥ 3 | + 8.8733 (0.1528) | < 0.0001 | + 5.6673 (0.1766) | < 0.0001 |
Sepsis | + 5.9923 (0.0969) | < 0.0001 | + 4.3556 (0.1125) | < 0.0001 |
Year of admission | − 0.0177 (0.0267) | 0.5062 | NA |  |