question: Compared to usual care alone what was the result of mobilisation and orientation in addition to usual care on Rates of delirium?
context: Delirium occurred in 4.9% (95% CI 2.3% to 7.3%) of the intervention group (15/305) and in 5.9% (20/339; 95% CI 3.8% to 9.2%) of the group receiving usual care. No difference was observed between groups (χ2; p=0.5).