Control group (January–June 2017) n=40 | Intervention group (January–June 2018) n=45 | p value | Statistical test | |
---|---|---|---|---|
Age, mean (SD) | 79.1 (60–98) | 82.68 (60–99) | 0.1258 | t-test |
Female, % | 65 | 73 | 0.4053 | χ2 |
Number of comorbidities, mean | 3.68 | 3.77 | 0.8554 | Mann–Whitney U |
Delirium risk factors,a mean | 2.6 | 2.78 | 0.4699 | Mann–Whitney U |
Pre-existing cognitive impairment, % | 15 | 20 | 0.5461 | χ2 |
↵a = as defined in the National Institute for Health and Care Excellence guidelines – aged over 65, sustained neck of femur fracture, pre-existing dementia and acute illness.