Table 2.
Characteristics of the enrolled patients
| Characteristic | Intervention | Standard Consent |
|---|---|---|
| Total N | 93 | 89 |
| Age, yr, mean (SD) | 61.3 (13.6) | 58.6 (17.2) |
| Female sex, n (%) | 35 (38%) | 36 (40%) |
| Race, n (%) | ||
| White | 74 (80%) | 59 (66%) |
| Black or African American | 15 (16%) | 23 (26%) |
| Other | 4 (4%) | 7 (8%) |
| Hispanic, n (%) | 3 (3%) | 4 (4%) |
| Length of ICU stay at enrollment, h, mean (SD) | 97.8 (73.1) | 114.5 (90.6) |
| Prior ICU admission, n (%) | ||
| Yes | 20 (22%) | 21 (24%) |
| No | 41 (44%) | 39 (44%) |
| Unknown | 32 (34%) | 29 (33%) |
| Prior research participation, n (%) | ||
| Yes | 20 (22%) | 20 (22%) |
| No | 35 (38%) | 38 (43%) |
| Unknown | 38 (41%) | 31 (35%) |
| Admission diagnosis, n (%) | ||
| Neurologic disease | 8 (9%) | 16 (18%) |
| Pulmonary infection | 8 (9%) | 13 (15%) |
| Cardiac surgery | 15 (16%) | 6 (7%) |
| Other medical | 12 (13%) | 7 (8%) |
| Abdominal surgery | 8 (9%) | 10 (11%) |
| Cardiac disease | 12 (13%) | 6 (7%) |
| Septic shock | 6 (6%) | 10 (11%) |
| Other surgery | 8 (9%) | 5 (6%) |
| Respiratory failure | 5 (5%) | 7 (8%) |
| Trauma | 6 (6%) | 2 (2%) |
| Malignancy | 1 (1%) | 6 (7%) |
| Transplant | 4 (4%) | 1 (1%) |
| APACHE IV score, mean (SD) | 97.8 (33.4) | 95.9 (32.3) |
Definition of abbreviations: APACHE = Acute Physiology and Chronic Health Evaluation; ICU = intensive care unit; SD = standard deviation.