Table 2.

Sensitivity of patient-level classification of the reference standard and Congestive Heart Failure Information Extraction Framework (CHIEF) based on External Peer Review Program (EPRP) review.

Patient-Level Classification/Sensitivity	Number of Patients in Agreement with EPRP Review	Number of Patients with Corresponding EPRP Review	Sensitivity Estimate % (95% CI)
Classification in Reference Standard	469	474	98.95 (97.56, 99.66)
Classification from CHIEF	325	330	98.48 (96.50, 99.51)