Tak rezultat dobimo, če povežemo ocene dobro in odlično vpodskupino zadovoljivih rezultatov. Primerljive rezultate, kot jih dobimo po MB lestvici, prikazuje tudi Prolova lestvica, če povežemo ocene 7, 8, 9 in 10.
Comparable results are also obtained with the Prolo outcome scale when rates 7, 8, 9 and 10 are taken together as satisfactory.