Table 1.
Description of study participants
| Baseline characteristic | N=140a |
|---|---|
| Age, median (IQR) years | 49 (40, 60) |
| Male, no. (%) | 75 (54) |
| Race, no. (%) | |
| White | 88 (63) |
| African-American | 50 (36) |
| Other | 2 (1) |
| Charlson comorbidity score, median (IQR) | 1 (0, 3) |
| APACHE II score, median (IQR) | 23 (17, 27) |
| ICU admission diagnosis, no. (%) | |
| Respiratory, including pneumonia | 80 (57) |
| Gastrointestinal | 18 (13) |
| Sepsis (non-pulmonary source) | 10 (7) |
| Infectious disease | 9 (6) |
| Trauma | 6 (4) |
| Cardiovascular | 4 (3) |
| Other | 13 (9) |
| ICU type, no. (%) | |
| Medical | 111 (79) |
| Surgical | 19 (14) |
| Trauma | 10 (7) |
Abbreviations: APACHE II – Acute Physiology and Chronic Health Evaluation II; IQR – Interquartile Range
a
Percentages may not add to 100% due to rounding.