Demographic data, functional status, and surgery-related factors in 232 subjects with postoperative delirium or no delirium.

BMI: Body Mass Index; ADL: Activities of Daily Living; BI: Barthel Index; IADL: Instrumental Activities of Daily Living; MMSE: Mini-mental State Examination; GDS: Geriatric Depression Scale; MNA: Mini-nutritional Assessment; CCI: Charlson's Comorbidity Index; VAS: Visual Analogue Scale; ASA: American Society of Anesthesiologists physical status; ORIF: open reduction and internal fixation.Elective Spine Surgery: Spinal decompression only and Spinal surgery with instrumented fusion.Elective knee surgery: includes total knee replacement (N = 92) and other elective knee surgery (N = 8).Elective hip arthroplasty: includes total hip replacement, bipolar hemiarthroplasty, and revision hip surgery.Demographic data, functional status, and surgery-related factors in 232 subjects with postoperative delirium or no delirium.