Table 4. Risk Factors Associated With Mortality at 30 Days After Sepsis Diagnosisa.
Variableb | Total patients, No. (Nā=ā1061) | Deaths, No. | Odds ratio (95% CI) | P value |
---|---|---|---|---|
Age group, y | ||||
18-44 | 166 | 24 | 1 [Reference] | NA |
45-64 | 378 | 96 | 1.64 (0.96-2.80) | .07 |
65-84 | 384 | 109 | 1.96 (1.14-3.39) | .02 |
ā„85 | 133 | 53 | 4.68 (2.51-8.76) | <.001 |
Sepsis-associated pathogen identified | ||||
Yes | 605 | 148 | 1.21 (0.87-1.68) | .27 |
No | 456 | 134 | 1 [Reference] | NA |
Organ dysfunctionc | ||||
Yes | 879 | 263 | 2.33 (1.35-4.04) | .003 |
No | 182 | 19 | 1 [Reference] | NA |
Septic shockd | ||||
Yes | 362 | 148 | 2.65 (1.93-3.65) | <.001 |
No | 699 | 134 | 1 [Reference] | NA |
Receipt of influenza or pneumococcal vaccine | ||||
Yes | 493 | 124 | 1 [Reference] | NA |
No | 568 | 158 | 1.51 (1.10-2.06) | .01 |
Immunosuppressione | ||||
Yes | 280 | 111 | 2.52 (1.81-3.52) | <.001 |
No | 781 | 171 | 1 [Reference] | NA |
Cirrhosis | ||||
Yes | 64 | 32 | 3.59 (2.03-6.32) | <.001 |
No | 997 | 250 | 1 [Reference] | NA |
Underlying vascular disease | ||||
Yes | 323 | 109 | 1.54 (1.10-2.15) | .01 |
No | 738 | 173 | 1 [Reference] | NA |
Sepsis-associated infection documented at hospital discharge | ||||
No infection | 317 | 102 | 1 [Reference] | NA |
>1 infection | 130 | 34 | 0.87 (0.52-1.46) | .61 |
Infection with source undetermined | 28 | 12 | 1.62 (0.67-3.91) | .28 |
Type of infection | ||||
Abdominalf | 74 | 18 | 0.63 (0.34-1.19) | .15 |
Bloodstream | 58 | 21 | 1.57 (0.80-3.09) | .18 |
Respiratoryg | 239 | 62 | 0.81 (0.54-1.21) | .30 |
Skin and soft tissue | 60 | 8 | 0.49 (0.21-1.14) | .10 |
Urinary tract | 141 | 19 | 0.39 (0.22-0.71) | .002 |
Otherh | 14 | 6 | 3.28 (0.98-11.02) | .05 |
Abbreviation: NA, not applicable.
Variable descriptions and reference levels are listed in eTable 2 in the Supplement.
Age group, septic shock, sepsis-associated pathogen, and presence of organ dysfunction were included in the model. A full list of variables is in eTable 2 in the Supplement.
Includes any of the following documented in the medical record within 7 calendar days of initial sepsis documentation: receipt of invasive mechanical ventilation or noninvasive positive pressure ventilation, receipt of vasopressor medication, systolic blood pressure level less than 90 mm Hg, or altered mental status.
Defined as 2 or more criteria of systemic inflammatory response syndrome plus the receipt of a vasopressor medication within 1 calendar day of sepsis diagnosis.
Includes steroid or immunosuppressive therapy, AIDS, hematologic malignancy, immunodeficiency or primary immunodeficiency, neutropenia, solid organ tumor with and without metastasis, history of bone marrow transplant, and history of solid organ transplant.
Includes any intra-abdominal, gastrointestinal tract, or hepatobiliary infection.
Includes lower respiratory infection and pneumonia.
Includes bone and joint infections; cardiovascular infections; infections of the ear, nose, or throat; central nervous system infections; disseminated viral infections; and infections of the reproductive tract.