Risk factors for postoperative delirium in patients undergoing orthopedic procedures: a systematic review and meta-analysis
Fig 2
Forest plot for risk factors of postoperative delirium.
The forest plot indicates the sample size, effect size, 95% confidence interval (95% CI), and weighted effect size of each study. This includes boxes, sample size, filled circle, effect size, horizontal lines, the apex of the rhombus, weighted effect size, rhombus width, and 95% CI. a. Age. b. Preoperative cognitive impairment. c. Dementia comorbidity. d. Preoperative serum albumin level. e. Length of hospital stay. f. Duration of the procedure.