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Figures
Figure 1: Risk of postoperative delirium with use of statins among elderly patients. *Derived from the full multivariable model after adjustment for age, sex, social status, prior admissions, prior use of medications, each neuropsychiatric, cardiac, vascular and miscellaneous medication, and duration and type of surgery. Note: CI = confidence interval.
Figure 2: Relative risk of postoperative delirium associated with the use of statins among elderly patients, by type of medication and surgery. *Adjusted for age, sex, duration of surgery and individual medications. †Excludes patients taking corresponding medication. ‡Further adjusted for type of surgery. §Includes thoracic, neurosurgical, vascular and musculoskeletal procedures. ¶Includes abdominal, retroperitoneal and unclassified procedures. **Includes lower urogenital, breast and skin, external head and neck, and ophthalmological procedures. Note: CI = confidence interval.