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. Author manuscript; available in PMC: 2009 Dec 3.
Published in final edited form as: Pediatr Nephrol. 2008 Sep 4;24(1):113–119. doi: 10.1007/s00467-008-0957-0

Fig. 3.

Fig. 3

Comparison of Siemens Advia enzymatic assay against high-performance liquid chromatography (HPLC) using 251 samples from the 201 CKiD subjects and the 50 healthy pediatric cases. Histogram of results and comparison of each determination showing a correlation of 0.97. The y axis is in milligrams per deciliter (mg/dl) presented in log scale. There is more scatter in the Advia assay at levels of serum creatinine below 1.0 mg/dl