Table 1.
Characteristics of patients with daytime and nighttime Rapid Response Team activation
| Daytime hours (0800–1659) (n = 2656) |
Nighttime hours (1700–0759) (n = 3367) |
P value | |
|---|---|---|---|
| Age, years, mean (SD) | 67.3 (16.7) | 67.9 (16.7) | 0.18 |
| Male sex, n (%) | 1377 (53.0) | 1816 (53.9) | 0.91 |
| Admission source, n (%) | 0.97 | ||
| Home | 1854 (69.8) | 2357 (70.0) | |
| Acute care facility transfer | 296 (11.1) | 379 (11.3) | |
| Long-term care facility transfer | 240 (9.0) | 306 (9.1) | |
| Unknown | 266 (10.0) | 325 (9.6) | |
| Comorbidities, n (%) | |||
| Congestive heart failure | 419 (15.8) | 553 (16.4) | 0.54 |
| Arrhythmia | 587 (22.1) | 780 (23.2) | 0.37 |
| Valvular disease | 80 (3.0) | 100 (3.0) | 0.90 |
| Peripheral vascular disease | 174 (6.6) | 235 (7.0) | 0.54 |
| Hypertension | 1007 (37.9) | 1081 (32.1) | < 0.001 |
| Chronic obstructive pulmonary disease | 421 (15.9) | 533 (15.8) | 0.93 |
| Diabetes mellitus | 1183 (44.5) | 1499 (44.5) | 0.89 |
| Renal failure | 262 (9.9) | 352 (10.5) | 0.48 |
| Liver disease | 172 (6.5) | 189 (5.6) | 0.15 |
| Metastatic cancer | 376 (14.2) | 523 (15.5) | 0.15 |
| Elixhauser comorbidity score, mean (SD) | 9.0 (8.3) | 9.1 (8.5) | 0.51 |
| Emergency department visits in past year, median (IQR) | 1 (0–2) | 1 (0–2) | 0.20 |
| Hospital admissions in past year, median (IQR) | 0 (0–1) | 0 (0–1) | 0.35 |
| ICU admissions in past year, median (IQR) | 0 (0–0) | 0 (0–0) | 0.39 |
ICU Intensive care unit
Boldface font indicates statistical significance