No one method of burn treatment has been shown to give results clearly superior to any other, although results of therapy in units using different methods do vary significantly. Probit analysis can be used to see whether or not a burn unit meets the standard of care of representative units.
(JAMA 231:255-258, 1975)
Waisbren BA, Stern M, Collentine GE. Methods of Burn TreatmentComparison by Probit Analysis. JAMA. 1975;231(3):255–258. doi:10.1001/jama.1975.03240150017013