Table 3.

Statisics for various patient cohorts

Cohort definition	Number of patients
Patients who have a diagnosis of HF or evidence of a CRT device	32,276
Patinets who have a HF diagnosis	35,900
Patients who have evidence of a CRT device without a HF diagnosis	376
Patients with a HF diagnois having NYHA mentions	6907
Patients who have evicence of a CRT device (with or without a HF diagnosis) and NYHA mentions	696
Patients who have NYHA mentions in clinical notes and corresponding local diagnosis codes	1370