Table 3.
Patient characteristics, stratified based on number of readmissions.
| Low n = 3449 | Intermediate n =2806 | High n = 1624 | Very high n = 571 | Total n = 8450 | |
|---|---|---|---|---|---|
| Demographics | |||||
| Age (median [IQR]) | 73 (18) | 78 (16) | 78 (13) | 74 (14) | 76 (16) |
| Male sex | 1876 (54.4) | 1489 (53.1) | 895 (55.1) | 318 (55.7) | 4578 (54.2) |
| Level of consciousness at admission | |||||
| Alert | 3225 (94.3) | 2558 (92.2) | 1484 (92.8) | 509 (90.6) | 7776 (93.0) |
| Drowsy | 172 (5.0) | 187 (6.7) | 102 (6.4) | 46 (8.2) | 507 (6.1) |
| Comatose | 24 (0.7) | 29 (1.0) | 14 (0.9) | 7 (1.2) | 74 (0.9) |
| Functional status at 12 months | |||||
| mRS 0–2 (independent) | 1789 (71.6) | 1051 (53.7) | 518 (47.4) | 175 (50.7) | 3533 (59.9) |
| mRS 3 | 298 (11.9) | 409 (20.9) | 279 (25.5) | 82 (23.8) | 1068 (18.1) |
| mRS 4 | 209 (8.4) | 333 (17.0) | 232 (21.2) | 76 (22.0) | 850 (14.4) |
| mRS 5 | 202 (8.1) | 165 (8.4) | 64 (5.9) | 12 (3.5) | 443 (7.5) |
| In assisted living at 12 months | 281 (11.1) | 295 (14.9) | 124 (11.2) | 24 (6.7) | 724 (12.1) |
| Total comorbidity burden | |||||
| None | 950 (27.5) | 473 (16.9) | 206 (12.7) | 62 (10.9) | 1691 (20.0) |
| Low | 1042 (30.2) | 786 (28.0) | 352 (21.7) | 89 (15.6) | 2269 (26.9) |
| Moderate | 1094 (31.7) | 1109 (39.5) | 709 (43.7) | 232 (40.6) | 3144 (37.2) |
| High | 363 (10.5) | 438 (15.6) | 357 (22.0) | 188 (32.9) | 1346 (15.9) |
| Selected comorbidities | |||||
| Atrial fibrillation | 726 (21.0) | 743 (26.5) | 478 (29.4) | 182 (31.9) | 2129 (25.2) |
| Chronic kidney failure | 38 (1.1) | 48 (1.7) | 54 (3.3) | 41 (7.2) | 181 (2.1) |
| COPD | 61 (1.8) | 105 (3.7) | 94 (5.8) | 53 (9.3) | 313 (3.7) |
| Congestive heart failure | 167 (4.8) | 235 (8.4) | 195 (12.0) | 103 (18.0) | 700 (8.3) |
| Dementia | 130 (3.8) | 87 (3.1) | 37 (2.3) | 10 (1.8) | 264 (3.1) |
| Diabetes | 579 (16.8) | 524 (18.7) | 403 (24.8) | 190 (33.3) | 1696 (20.1) |
| Hypertension | 1884 (54.6) | 1787 (63.7) | 1091 (67.2) | 390 (68.3) | 5152 (61.0) |
| Myocardial infarction | 107 (3.1) | 146 (5.2) | 114 (7.0) | 66 (11.6) | 433 (5.1) |
| Previous stroke | 556 (16.2) | 602 (21.6) | 410 (25.5) | 157 (27.8) | 1725 (20.6) |
Presented as no. (%) unless otherwise stated. Only patients alive at 12 months (n = 8450) were included.
COPD: chronic obstructive pulmonary disease; IQR: interquartile range; mRS: modified Rankin scale.
Low = 0–1 condition, intermediate = 2–4, high = 5–9, very high ≥10.