In the clinical sciences article titled
"Solitary Retinal Capillary Hemangioma: Hereditary (von Hippel-Lindau
Disease) or Nonhereditary?" published in the February issue of the
ARCHIVES (2001;119:232-234), the equation on page 233
had an error in format. The correct format is indicated below.
To calculate the prevalence of VHL disease in patients
with solitary RCH, P(VHL|RCH) from
Bayes theorem,23 we know that

and that

Equation 2 can be arranged into

Substituting this into equation 1, we get

Substituting previously published values in equation 4, we get
