Table 2. Baseline characteristics of the study population by 30 day readmission status.
| Characteristic | Not readmitted within 30 days n = 822 | Readmitted within 30 days n = 109 | |
|---|---|---|---|
| Age, mean (SD) | 63 (17.2) | 64 (15.8) | P = 0.27 |
| Female | 421 (51%) | 61 (56%) | P = 0.36 |
| Urgent or emergent admission | 845 (100%) | 118 (100%) | |
| Discharge from oncology service | 21 (3%) | 4 (4%) | P = 0.52 |
| Length of stay ≥5 days | 336 (41%) | 60 (55%) | P = 0.005 |
| Hospital admissions in the last year | |||
| 0–1 | 422 (51%) | 0 (0%) | P < 0.001 |
| 2–5 | 362 (44%) | 72 (66%) | |
| >5 | 38 (5%) | 37 (34%) | |
| An ICD10 coded procedure during hospitalization | 378 (46%) | 52 (48%) | P = 0.76 |
| Low hemoglobin level at discharge (<12 g/dL) | 45 (5%) | 11 (10%) | P = 0.43 |
| Low sodium level at discharge (<135 mEq/L) | 231 (28%) | 33 (30%) | P = 0.65 |
| HOSPITAL Score > 5 (High Risk) | 318 (39%) | 81 (74%) | P < 0.001 |