Fig. 2

Associations between physical restraint during the first 24–72 h after admission and delirium during the first 48–72 h after admission. The proportion of delirium during the first 48–72 h after admission was 4 patients (10.8%) in the no physical restraint, 12 (50.0%) in the intermittent, and 21 (87.5%) in the continuous. Error bars indicate 95% confidence interval