Fig. 3From: A single preoperative low-dose dexamethasone may reduce the incidence and severity of postoperative delirium in the geriatric intertrochanteric fracture patients with internal fixation surgery: an exploratory analysis of a randomized, placebo-controlled trialRelative risk for the POD in post hoc subgroups analysis. There were no significant interactions in all the 11 subgroups (P > 0.05 for all comparison)Back to article page