Surgical patients 60 years of age or older
Surgery scheduled to last at least 2 hours (including time for anesthesia induction, etc)
English speaking ability.
Ability to give informed consent

NCT01993836_inc_T1
Value
60 years or older
NCT01993836_inc_T2
Person
age
NCT01993836_inc_T3
Procedure
Surgery
NCT01993836_inc_T5
Qualifier
scheduled to last at least 2 hours
NCT01993836_inc_T6
Observation
English speaking ability
NCT01993836_inc_T7
Observation
Ability to give informed consent