TABLE 1.
Patient Demographics, Laboratory Values, and Physiologic Parameters Stratified by 28-d Mortality
| Patient Characteristic | 28-d Survivor, n = 42a | 28-d Nonsurvivor, n = 30a | P b |
|---|---|---|---|
| Age (yr) | 62 (54–70) | 62 (47–72) | 0.8 |
| Sex | |||
| Female | 22 (52%) | 13 (43%) | 0.4 |
| Male | 20 (48%) | 17 (57%) | |
| Self-reported race | |||
| African American | 13 (31%) | 9 (30%) | > 0.9 |
| Caucasian | 29 (69%) | 21 (70%) | |
| Total Sequential Organ Failure Assessment score | 11 (7–13) | 13 (9–15) | 0.016 |
| Charlson comorbidity index | 4.00 (2.25–4.75) | 5.00 (3.00–5.75) | 0.4 |
| Clinical lactate (mmol/L) | 3.15 (2.58–6.20) | 4.20 (2.90–6.50) | 0.9 |
| Unknown (n) | 6 | 5 | |
| Creatinine (mg/dL) | 1.90 (1.47–2.70) | 1.81 (1.12–2.88) | 0.6 |
| Platelet count (cells/mm3) | 165 (101–227) | 146 (75–215) | 0.4 |
| Unknown (n) | 0 | 1 | |
| Total bilirubin (mg/dL) | 0.95 (0.40–1.99) | 2.40 (0.70–4.20) | 0.005 |
| Unknown (n) | 0 | 1 | |
| WBC Count (cells/mm3) | 25 (14–31) | 18 (12–25) | 0.7 |
| Unknown (n) | 9 | 9 | |
| Body mass index | 29 (23–37) | 24 (21–35) | 0.14 |
| Unknown (n) | 0 | 1 | |
| Respiratory rate (breaths/min) | 20 (17–24) | 20 (16–26) | 0.7 |
| Heart rate (beats/min) | 101 (94–113) | 104 (92–114) | > 0.9 |
| Cumulative vasopressor index | 4 (3–8) | 6 (4–8) | 0.092 |
| Unknown (n) | 2 | 1 | |
a
Described as median (interquartile range) for continuous variables and n (%) for categorical variables
b
Calculatd by one-way analysis of variance for continuous variables or Pearson χ2 test for categorical variables.