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Fig. 4. The relationship between fecal and urinary potassium excretion of subjects maintained on a variable potassium intake of 61–135 mmol/day (Phase 2). The main figure depicts mean values, presented with weighted linear regression line, weighted correlation coefficient and p value. The numbers above the points in the main figure are mmole/day of dietary potassium ingested by the subject; these values are provided for 12 of the 15 Phase 2 study subjects. Corresponding data for the remaining 3 subjects were not available. The Arrow denotes 2 coincident superimposed data points. The inset presents all observations. Each of the 15 subjects in the inset is assigned a different symbol, the same symbol used for that subject in the main figure. The linear regression line based on multiple observations per subject and r (Pearson correlation coefficient) and p value of the linear regression are noted.
