Table 1.
Unadjusted Patient Variables
| Variable | Total (N=223) | Control (N=90 months, 8920 patients) | Intervention (N=133 months, 10120 patients) | p-value |
|---|---|---|---|---|
| Age, mean (SD) | 65.71 (7.24) | 66.29 (7.15) | 65.32 (7.31) | 0.324 |
| Female, mean (SD) | 49.43 (9.45) | 49.96 (10.42) | 49.07 (8.75) | 0.490 |
| Top discharge diagnoses, N (%) | ||||
| Cardiovascular | 1495 | 685 (6.94) | 810 (5.05) | <0.001 |
| Heart failure | 1214 | 496 (5.02) | 718 (4.48) | 0.047 |
| Gastrointestinal diseases | 894 | 326 (3.30) | 568 (3.54) | 0.320 |
| Pneumonia | 703 | 313 (3.17) | 390 (2.43) | <0.001 |
| Diabetes | 303 | 122 (1.24) | 181 (1.13) | 0.473 |
| Chronic obstructive lung disease | 235 | 80 (0.81) | 155 (0.97) | 0.222 |
| Co-morbidity of interest, N (%) | ||||
| Delirium | 680 | 276 (2.80) | 404 (2.52) | 0.191 |
| Dementia | 538 | 225 (2.28) | 313 (1.95) | 0.081 |
| Stroke | 118 | 51 (0.52) | 67 (0.42) | 0.293 |
| Psychiatric co-morbidities | 99 | 45 (0.46) | 54 (0.34) | 0.160 |