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Fig. 1. Correlation between P*P*P* (•), P*LP* (
), and SO*S (
) excretion and stool fat for studies in which Dy excretion for the entire stool composite was >90%. All filled symbols represent tests carried out in CF patients whereas the open symbol () represents tests performed in patients with chronic pancreatitis. Excretion of all TG*s is expressed as percent of oral dose and all stool fat values as g/24 hours. Linear regression analysis was performed using SPSS Version 10 and the least squares fit line is shown for each TG*. The calculated regression parameters for each TG* are as follows: P*P*P* r2 = 0.941, slope = 3.20 and y-intercept = 9.04; P*LP* r2 = 0.924, slope 0.592 and y-intercept = 4.02; SO*S r2 = 0.845, slope = 0.120 and y-intercept = 0.900.
