From: Discovering and identifying New York heart association classification from electronic health records
 | Pre Implant | Post Implant | ||||
---|---|---|---|---|---|---|
Year 1 | Year 2 | Year 3 | Year 4 | Year 5 | ||
CRT Patients | 696 | 600 | 485 | 405 | 310 | 212 |
CRT Patients with NYHA Class | 51.6% | 35.7% | 27.4% | 25.3% | 24.6% | 30.0% |
Encounters | 11,844 | 5550 | 3984 | 3171 | 2174 | 1740 |
Encounters with NYHA Class | 10.5% | 25.5% | 18.3% | 16.7% | 19.9% | 20.7% |