Assertion: emphysematous pyelonephritis | /r/HasProperty | 25% overall mortality rate
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Source sentences:
text: Pyelonephritis becomes a potentially fatal disease when secondary conditions develop, such as emphysematous pyelonephritis (20-80% mortality rate), perinephric abscess (20-50% mortality rate), or one of the sepsis syndromes (>25% overall mortality rate).