TABLE 1.
BASELINE CHARACTERISTICS OF STUDY PATIENTS
| Prompted | Control | ||
| Characteristic | (n = 140) | (n = 125) | P Value |
| Age (yr), mean (SD) | 58.5 (17.8) | 57.3 (17.8) | 0.60 |
| Sex (male), no. (%) | 69 (49.3) | 51 (40.8) | 0.17 |
| Race, no. (%) | |||
| White | 71 (50.7) | 69 (55.2) | |
| African American | 47 (33.6) | 42 (33.6) | 0.54 |
| Hispanic/other | 22 (15.7) | 14 (11.2) | |
| Location before MICU, no. (%) | |||
| Emergency department | 79 (56.4) | 76 (60.8) | |
| General medical ward | 54 (38.6) | 44 (35.2) | 0.75 |
| Outside hospital transfer | 7 (5.0) | 5 (4.0) | |
| Diagnosis, no. (%)* | |||
| Sepsis | 32 (22.9) | 32 (25.6) | |
| Pneumonia | 20 (14.3) | 11 (8.8) | |
| Obstructive airway disease | 8 (5.7) | 15 (12.0) | |
| Other respiratory† | 13 (9.3) | 14 (11.2) | |
| GI hemorrhage | 17 (12.1) | 12 (9.6) | 0.39 |
| Metabolic | 7 (5.0) | 11 (8.8) | |
| Neurological | 10 (7.1) | 6 (4.8) | |
| Drug intoxication/withdrawal | 6 (4.3) | 6 (4.8) | |
| Other | 27 (19.3) | 18 (14.4) | |
| Sepsis subdiagnosis, no. (%)* | |||
| Pulmonary | 6 (18.8) | 7 (21.9) | |
| GI | 7 (21.9) | 8 (25.0) | |
| Urinary | 9 (28.1) | 5 (15.6) | 0.82 |
| Soft tissue | 2 (6.3) | 3 (9.4) | |
| Unknown | 8 (25.0) | 9 (28.1) | |
| Mechanical ventilation, no. (%) | 36 (28.8) | 41 (29.3) | 0.93 |
| Hospital discharge disposition, no. (%) | 0.45 | ||
| Home | 96 (76.2) | 71 (71.7) | |
| Long-term acute care or skilled nursing facility | 30 (23.8) | 28 (28.3) |
Definition of abbreviations: GI = gastrointestinal; MICU = medical intensive care unit.
*
Diagnoses, including sepsis subdiagnoses, are adapted from the Acute Physiology and Chronic Health Evaluation (APACHE) IV prediction models (14, 15).
†
Includes acute respiratory distress syndrome, pulmonary hemorrhage/hemoptysis, pleural effusion, respiratory arrest, lung cancer, sleep apnea, and nonspecified respiratory diagnoses.