Erratum to: Clin Exp Nephrol DOI 10.1007/s10157-014-0940-y

Unfortunately, there was an error in the article cited above.

In the Subjects and methods section, under the heading “Items included in the clinical examination”, the third sentence should read:

The estimated glomerular filtration rate (eGFR) was calculated as follows: 194 × serum Cr level−1.094 × age−0.287 (female = ×0.739) [16].