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Plasma kallistatin levels on day 1 of intensive care unit (ICU) admission are associated with the mortality and severity of community-acquired pneumonia (CAP). (A) Observed mortality according to quartile of day 1 plasma kallistatin levels. Test for trend across quartile was performed. (B) Plasma kallistatin levels on day 1 of ICU admission according to day 1 CURB-65 score in tertiles. Test for trend across tertiles was performed.
