Abstraction and Composition of Training and Validation Data Sets
In manual abstraction of 4642 EHR notes in the training data set, 340 notes (7%; belonging to 34 of 150 patients [23%]) contained documented goals-of-care discussions (eTable 2 in In manual abstraction of 2840 EHR notes in the validation sample, 268 notes (9%; belonging to 54 of 159 patients [34%]) contained documented goals-of-care discussions (eTable 2 in 