Table 2 Perioperative risk tools

Obstructive sleep apnea: STOP-Bang Questionnaire

Postoperative nausea and vomiting (PONV): Apfel score

Cardiac ischemic risk: Revised Cardiac Risk Index (RCRI)

Angina pectoris grade: Canadian Cardiovascular Angina Grade (I–IV)

Heart failure risk: New York Heart Association Functional Classification (I–IV)

Hopkins frailty score

Postoperative delirium risk

Cognitive impairment risk: Modified Mini-Cog Examination

Nutritional risk

Chronic pain syndrome