Problem: An 89-year-old man was admitted after a fall. This happened as he was reaching for his walking cane and he was found 6 hours later by his son, on the floor. He has a past history of a myocardial infarction which has left him breathless on exertion and carcinoma of the prostate. He has an alcohol consumption of 30 beers/week and a 65 pack-year smoking history. On examination there is no significant injury. What information source will be the best guide to his subsequent management? Group of answer choices Comprehensive geriatric assessment (CGA) Evidence from randomized controlled trials Results of a Frailty Index National Institute for Health and Care Excellence (NICE) guidelines