original_query: What was the relative risk of death for patients treated with spironolactone compared to the placebo group in the randomized evaluation? What is the most relevant chunk to answer the query?
query: What was the relative risk of death for patients treated with spironolactone compared to the placebo group in the randomized evaluation study of severe congestive heart failure?
answer: In a randomized evaluation of people with severe congestive heart failure, those treated with spironolactone had a relative risk of death of 0.70 (a 30% reduction) compared to the placebo group.