Liddle's test. A, 24-hour UFC, corrected by BSA (P = .81 from repeated measures analysis). B, 24-hour urinary 17OHS, corrected by gram creatinine (P = .62 from repeated measures analysis). C, Percentage change of 24-hour UFC, corrected for BSA (d 6 of Liddle's test) (P = .78). D, Percentage change of 17OHS, corrected by gram creatinine (P = .83).