Correction to: Clinical and Experimental Nephrology https://doi.org/10.1007/s10157-023-02452-9


In the original publication, the authors have identified a typographical error in x-axis of Fig. 2. The value '-2.2E-16' should be replaced as '0' in Figs. 2a, 2b, 2c, and 2e.

The Fig. 2 has been incorrectly published online as below:

figure a

The corrected Fig. 2 should appear as follows:

Fig. 2
figure 2

Relationship between protein intake and physical functions in patients with chronic kidney disease stage 3–5. a isometric knee extension strength, b grip strength, c timed up-and-go test (TUG), d Short Physical Performance Battery (SPPB), and e usual gait speed


The original article has been corrected.