Levels of hsCRP were considerably elevated at admission ( median 12.6 mg/L , interquartile range [ IQR ] 5.23-30 .5 ) and 48-72 hours ( median 11.0 mg/L , IQR 4.87-29 .9 ) and declined only at 30 days ( median 4.7 mg/L , IQR 1.83-13 .1 ) .