Encounter-level descriptive statistics, by site (the percentages are column percentages)
| Hospital A | Hospital B | Hospital C | Hospital D | Hospital E | Total | ||
| 246 | 235 | 243 | 313 | 122 | 1159 | ||
| Age | Median (IQR) | ||||||
| 77 (62–85) | 67 (56–82) | 72 (58–81) | 79 (67–86) | 73 (55–82) | 74 (61–84) | ||
| Gender | N (%) | ||||||
| F | 130 (52.8%) | 116 (49.4%) | 113 (46.5%) | 190 (60.7%) | 61 (50.0%) | 610 (52.6%) | |
| M | 116 (47.2%) | 119 (50.6%) | 130 (53.5%) | 123 (39.3%) | 61 (50.0%) | 549 (47.4%) | |
| Top admitting diagnoses | N (%) | ||||||
| All other | 154 (62.6%) | 147 (62.6%) | 152 (62.6%) | 197 (62.9%) | 80 (65.6%) | 730 (63.0%) | |
| Pneumonia | 22 (8.9%) | 33 (14.0%) | 34 (14.0%) | 23 (7.3%) | 11 (9.0%) | 123 (10.6%) | |
| Congestive heart failure | 11 (4.5%) | 14 (6.0%) | 15 (6.2%) | 18 (5.8%) | 6 (4.9%) | 64 (5.5%) | |
| COPD exacerbation | 17 (6.9%) | 4 (1.7%) | 5 (2.1%) | 11 (3.5%) | 4 (3.3%) | 41 (3.5%) | |
| Sepsis | 10 (4.1%) | 6 (2.6%) | 13 (5.3%) | 8 (2.6%) | 1 (0.8%) | 38 (3.3%) | |
| Cellulitis | 9 (3.7%) | 8 (3.4%) | 7 (2.9%) | 3 (1.0%) | 5 (4.1%) | 32 (2.8%) | |
| Other | 4 (1.6%) | 6 (2.6%) | 4 (1.6%) | 12 (3.8%) | 4 (3.3%) | 30 (2.6%) | |
| GI bleed | 4 (1.6%) | 4 (1.7%) | 4 (1.6%) | 9 (2.9%) | 7 (5.7%) | 28 (2.4%) | |
| Acute coronary syndrome | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) | 26 (8.3%) | 0 (0.0%) | 26 (2.2%) | |
| Acute kidney Injury | 6 (2.4%) | 9 (3.8%) | 6 (2.5%) | 1 (0.3%) | 3 (2.5%) | 25 (2.2%) | |
| GI bleed (upper) | 9 (3.7%) | 4 (1.7%) | 3 (1.2%) | 5 (1.6%) | 1 (0.8%) | 22 (1.9%) | |
| Elixhauser score | Median (IQR) | ||||||
| 7 (2–12) | 6 (0–11) | 5 (0–10) | 4 (0–9) | 6 (0–14) | 5 (0–11) |
COPD, chronic obstructive pulmonary disease; GI, gastrointestinal.