Table 2.
Overall Frequency of Vital Sign Instabilities on Discharge
| n (%) | p value | |||
|---|---|---|---|---|
| Entire cohort (N = 32,835) | No readmission or death (N = 28,351) | Readmitted or died within 30 days (N = 4484) | ||
| Any instabilities present | 6,127 (18.7) | 5051 (17.8) | 1076 (24.0) | <0.001 |
| 1 | 5,271 (16.1) | 4381 (15.5) | 890 (19.9) | < 0.001 |
| 2 | 760 (2.3) | 599 (2.1) | 161 (3.6) | |
| 3+ | 96 (0.4) | 71 (0.3) | 25 (0.6) | |
| Instability at discharge | ||||
| Temperature ≥37.8 °C | 504 (1.5) | 428 (1.5) | 76 (1.7) | 0.348 |
| Respiratory rate >24 breaths/min | 825 (2.5) | 680 (2.4) | 145 (3.2) | 0.001 |
| Heart rate >100 beats/min | 3,410 (10.4) | 2785 (9.8) | 625 (13.9) | < 0.001 |
| Systolic blood pressure ≤90 mmHg | 1,299 (4.0) | 1056 (3.7) | 243 (5.4) | < 0.001 |
| Oxygen saturation <90 % | 1,050 (3.2) | 850 (3.0) | 200 (4.5) | < 0.001 |