Research Article

Correlation of the Dietary Protein Intake between Those Estimated from a Short Protein Food-Recall Questionnaire and from 24-Hour Urinary Urea-Nitrogen Excretion in Stages 3-4 Chronic Kidney Disease Patients

Figure 4

Graph represents correlation of DPI estimation from 2 methods; Y-axis represents DPI calculated from 24-h urine collection, X-axis represents DPI estimation from S-PFRQ, unit in g per day.