Table 1. Patient Characteristics for Training and Testing Sets.

Characteristic	Training Set	Test Set
Notes, No.	990	660
Unique patients, No.	769	527
Female, No. (%)	296 (38.5)	211 (40.0)
Age, mean (SD), y	67.42 (14.7)	67.86 (14.7)
Bleeding present, %	22.5	22.1