NPPB and congestive heart failure: Among 184 CHF patients, a majority were male (63.0%), 60∼74 years old (75.0%), married (81.0%), lived in city (86.2%), junior high school educational level (40.0%), family monthly incomes >10,000 (45.1%), mental work (43.5%), not first diagnosis of CHF (53.3%), NYHA Classification Grade III (55.4%), LVEF ≥ 50% (46.2%), NT-pro BNP 1001∼5000 (64.7%).