Table 1.

Comparative demographic data for control and intervention groups

Control group (January–June 2017) n=40Intervention group (January–June 2018) n=45p valueStatistical test
Age, mean (SD)79.1 (60–98)82.68 (60–99)0.1258t-test
Female, %65730.4053χ2
Number of comorbidities, mean3.683.770.8554Mann–Whitney U
Delirium risk factors,a mean2.62.780.4699Mann–Whitney U
Pre-existing cognitive impairment, %15200.5461χ2
  • 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.