Table 2.
Characteristics of patients at enrollment
| Characteristic | Patients (n = 224) |
|---|---|
| Age, mean (95% CI), yr | 59 (56.4–60.7) |
| Female sex, n (%) | 109 (49) |
| Race, n (%) | |
| Black | 53 (24) |
| White | 138 (63) |
| Unavailable | 17 (8) |
| Other | 10 (5) |
| Insurance, n (%) | |
| Medicare | 107 (48) |
| Medicaid | 20 (9) |
| Commercial | 76 (34) |
| None | 21 (9) |
| Language | |
| English | 197 (90) |
| Spanish | 12 (6) |
| Other | 9 (4) |
| History of liver disease, n (%) | 29 (13) |
| History of cancer, n (%) | 53 (24) |
| History of stroke, n (%) | 20 (9) |
| History of end-stage renal disease, n (%) | 9 (4) |
| Presence of advance directive at enrollment, n (%) | 31 (14) |
| Activities of daily living score, mean (95% CI)* | 5 (4.6–5.2) |
| Instrumental activities of daily living score, mean (95% CI)† | 16 (14.8–16.9) |
| Hospital length of stay before trial enrollment, mean (95% CI), d | 13 (11.8–13.5) |
| 1-yr mortality as predicted by ProVent score, mean % (95% CI) | 62 (58.6–64.8) |
| Richmond Agitation Sedation Scale at enrollment, n (%) | |
| −5 or −4 (unresponsive) | 95 (44) |
| −3 to −1 (arousable) | 81 (38) |
| ≥0 (awake) | 38 (18) |
Definition of abbreviation: CI = confidence interval.
*
The range is 0 (dependent) to 6 (independent) in 6 activities.
†
The range is 8 (dependent) to 31 (independent) in 8 activities.