evidence: However, a 2017 study reports that the 5-year life expectancy is poor among all people admitted to the hospital with heart failure regardless of their EF. Researchers estimate the 5-year death rate is 75.4%. [...] Below are some frequently asked questions about CHF and life expectancy. [...] Life expectancy depends on a person’s stage and class of CHF and what other complications or health problems they have. People who have received an early diagnosis may have a better outlook than those who did not.