In addition, patients will be asked if they've had a fall within the last 6 months, whether they've been evaluated for a change in memory or thinking, who accompanied them to their appointment, their employment status, and their living situation (alone, institutionalized, living with family members) in a patient survey. The study staff will also administer the MiniCog, a simple cognitive screening tool that takes just 2-4 min to complete and has little or no education, language, or race bias. In addition, the Animal Fluency Test will be administered, which is a short cognitive screen that takes one minute to complete. Other measures of cognitive impairment will be obtained by study staff through: documentation on the patient's standard preoperative form, patient or informant report of diagnosis or evaluation for cognitive impairment or memory concerns, and systematic medical record review.