Table 1 .
Baseline characteristics
| All | 90-day composite | 12 months | |||||
|---|---|---|---|---|---|---|---|
| Yes | No | P-value | Dead | Alive | P-value | ||
| Number | 186 | 55 | 131 | 21 | 165 | ||
| Males | 119 (64) | 33 (60) | 86 (66) | 0.57 | 13 (62) | 106 (64) | 1 |
| Age, years | 79 (6) | 80 (7) | 79 (6) | 0.21 | 82 (6) | 79 (6) | 0.06 |
| BMI, kg/m2 | 27.5 (6.2) | 26.2 (6.3) | 28.1 (6.1) | 0.07 | 25.4 (5.1) | 27.8 (6.3) | 0.13 |
| Co-morbidities | |||||||
| IHD | 79 (43) | 25 (46) | 54 (41) | 0.71 | 7 (33) | 72 (44) | 0.51 |
| Atrial fibrillation | 79 (42) | 30 (55) | 49 (38) | 0.05 | 16 (76) | 63 (38) | 0.002 |
| Diabetes mellitus | 52 (28) | 14 (26) | 38 (29) | 0.75 | 4 (19) | 48 (29) | 0.48 |
| Stroke | 30 (16) | 10 (18) | 20 (15) | 0.78 | 5 (24) | 25 (15) | 0.48 |
| Cancer | 33 (18) | 12 (22) | 21 (16) | 0.46 | 5 (24) | 28 (17) | 0.64 |
| Heart failure | 52 (28) | 17 (31) | 35 (27) | 0.69 | 7 (33) | 45 (27) | 0.75 |
| PVD | 18 (10) | 5 (9) | 13 (10) | 1 | 1 (5) | 17 (10) | 0.68 |
| Asthma/COPD | 37 (20) | 13 (24) | 24 (18) | 0.53 | 6 (29) | 31 (19) | 0.44 |
| CKD | 27 (15) | 13 (24) | 14 (11) | 0.04 | 4 (19) | 23 (14) | 0.77 |
| Dementia | 4 (2) | 3 (6) | 1 (1) | 0.15 | 1 (5) | 3 (2) | 0.94 |
| Co-morbidity count | 2.2 (1.6) | 2.6 (1.6) | 2.1 (1.5) | 0.03 | 2.7 (1.5) | 2.2 (1.6) | 0.15 |
| Total medications | 8 (4) | 10 (4) | 8 (4) | 0.01 | 7 (3) | 9 (5) | 0.19 |
| Blood results | |||||||
| Haemoglobin, g/l | 130 (19) | 126 (20) | 132 (18) | 0.1 | 131 (25) | 130 (18) | 0.87 |
| Creatinine, mmol/l | 98 (40) | 107 (53) | 94 (31) | 0.04 | 122 (72) | 96 (34) | 0.007 |
| Albumin, g/l | 35 (5) | 34 (4) | 35 (5) | 0.31 | 35 (5) | 35 (5) | 0.89 |
| Frailty measures | |||||||
| Fried | 1.9 (1.3) | 2.3 (1.4) | 1.8 (1.2) | 0.005 | 2.6 (1.3) | 1.8 (1.2) | 0.006 |
| CFS | 3.3 (1.4) | 3.7 (1.4) | 3.2 (1.3) | 0.04 | 4.2 (1.6) | 3.2 (1.3) | 0.002 |
| SPPB | 5.5 (3.7) | 5.1 (3.5) | 5.7 (3.8) | 0.38 | 4.1 (3.4) | 5.7 (3.7) | 0.06 |
| PRISMA-7 | 3.0 (1.3) | 3.2 (1.4) | 2.9 (1.2) | 0.25 | 3.4 (1.1) | 3.0 (1.3) | 0.17 |
| EHR risk score | 0.22 (0.11) | 0.26 (0.10) | 0.21 (0.10) | 0.004 | 0.27 (0.11) | 0.22 (0.10) | 0.02 |
All measures are mean (SD) or number (%).
The 90-day composite primary outcome included readmission or death.
IHD, ischaemic heart disease; PVD, peripheral vascular disease; COPD, chronic obstructive pulmonary disease; CKD, chronic kidney disease.