Clinical outcomes in older surgical patients with mild cognitive impairment

INTRODUCTION: Older adults, including those with mild cognitive impairment (MCI), are increasingly undergoing surgery. METHODS: Relative risks of MCI alone or with delirium on adverse outcomes were estimated in an ongoing prospective, observational cohort study of 560 non-demented adults ≥70 years old. RESULTS: MCI (n=61, 11%) was associated with increased relative risk (RR) of delirium (RR=1.9, p