Characteristic | Entire Cohort n = 1781 | Not readmitted within 30 days n = 1325 | Readmitted within 30 days n = 456 | p value |
Age, mean (SD) | 63 (16) | 63 (16) | 64 (15.5) | 0.166 |
Female | 840 (47%) | 624 (47%) | 216 (47%) | 0.919 |
Length of stay (SD) | 8 (7.6) | 7.7 (7.1) | 8.4 (8.8) | 0.088 |
Hospital admissions in the last year(SD) | 0.94 (1.2) | 0.71 (0.8) | 1.61 (1.7) | <0.001 |
Emergency department visits in last 6 months (SD) | 0.60 (1.9) | 0.39 (1.22) | 1.21 (3.0) | <0.001 |
Emergency department visits in last year months (SD) | 1.2 (2.96) | 0.78 (2.02) | 2.25 (4.57) | <0.001 |
| | | | |
HOSPITAL Score (SD) | 4.14 (1.61) | 3.86 (1.4) | 4.96 (1.8) | <0.001 |
LACE Index (SD) | 10.32 (3.42) | 9.92 (3.0) | 11.47 (4.1) | <0.001 |
| | | | |
Any vital sign instability | 228 (13%) | 159 (12%) | 69 (15%) | 0.084 |
1 vital sign unstable | 206 (12%) | 140 (11%) | 66 (14%) | 0.024 |
2 vital signs unstable | 22 (1%) | 19 (1%) | 3 (0.1%) | 0.196 |
3 or more vital signs unstable | 0 (0%) | 0 (0%) | 0 (0%) | |
| | | | |
Unstable vital sign at discharge | | | | |
Temperature ≥ 37.8˚C | 3 (0.2%) | 1 (0.1%) | 2 (0.4%) | 0.103 |
Respiratory rate > 24 breaths/minute | 49 (3%) | 37 (2.7%) | 12 (2.6%) | 0.856 |
Heart rate > 100 beats/minute | 168 (9%) | 117 (8.8%) | 51 (11.2%) | 0.138 |
Systolic blood pressure <90 mmHg | 21 (1%) | 14 (1.1%) | 7 (1.5%) | 0.414 |
Oxygen saturation <90% | 9 (0.5%) | 9 (0.7%) | 0 (0%) | 0.078 |