Diagnostic Tests on Patients with Cushing's Syndrome

Cushing's syndrome is a hypertensive disorder associated with over-secretion of cortisol by the adrenal gland. The observations are urinary excretion rates of two steroid metabolites.

Cushings

Format

The Cushings data frame has 27 rows and 3 columns:

Tetrahydrocortisone

urinary excretion rate (mg/24hr) of Tetrahydrocortisone.

Pregnanetriol

urinary excretion rate (mg/24hr) of Pregnanetriol.

Type

underlying type of syndrome, coded a (adenoma) , b (bilateral hyperplasia), c (carcinoma) or u for unknown.

Source

J. Aitchison and I. R. Dunsmore (1975) Statistical Prediction Analysis. Cambridge University Press, Tables 11.1--3.

References

Venables, W. N. and Ripley, B. D. (2002) Modern Applied Statistics with S. Fourth edition. Springer.