Table 1.
Patient Demographics, Clinical Characteristics, and Physiologic Measurements
| Variable | Cases (n = 20) | Controls (n = 10) |
|---|---|---|
| Age, yr (mean ± SD) | 55 ± 18.2 | 49 ± 8* |
| Race, n (%) | ||
| Caucasian | 7 (35) | 10 (100) |
| Black or African American | 11 (55) | |
| Hispanic | 2 (10) | |
| Sex, n (%) | ||
| Male | 8 (40) | 3 (30) |
| Female | 12 (60) | 7 (70) |
| Comorbidities, n (%) | ||
| CAD | 4 (20) | |
| CVA | 1 (5) | |
| Diabetes mellitus | 3 (15) | |
| COPD | 3 (15) | |
| End-stage renal disease | 1 (5) | |
| Cancer | 6 (30) | |
| Indwelling vascular line | 1 (5) | |
| Nursing home resident | 1 (5) | |
| ED vital signs (mean ± sd) | ||
| sBP (mm Hg) | 96 ± 24 | |
| Pulse (beats / min) | 98 ± 21 | |
| RR (breaths / min) | 22 ± 4.7 | |
| Temp (°F) | 99 ± 3.7 | |
| O2 sat (%) | 97 ± 32.2 | |
| CVP (mm Hg) | 9 ± 8.0 | |
| ScvO2 (%) | 75 ± 22 | |
| ED SOFA score (mean ± SD) | 7.7 ± 6.4 | |
| Suspected source of infection, | n (%) | |
| Pulmonary | 7 (35) | |
| Urinary tract | 5 (25) | |
| Intraabdominal | 3 (15) | |
| Skin / soft tissue | 1 (5) | |
| Blood (bacteremia) | 1 (5) | |
| Unknown | 3 (15) | |
| Hospital outcomes | ||
| Hospital days | 8 ± 7.1 | |
| ICU days | 4 ± 4.6 | |
| Mortality | 3 (15) | |
CAD = coronary artery disease; COPD = chronic obstructive pulmonary disease; CVA = cerebrovascular accident; CVP = central venous pressure; O2 sat = oxygen saturation; sBP = systolic blood pressure; RR = respiratory rate; ScvO2 = central venous oxygen saturation; SOFA = sequential organ failure assessment.
*
95% credible interval for difference: −4 to 15 years.