Når resultaterne af alle tre undersøgelser blev sammenholdt, indberettede 86 (32, 4%) af de 265 patienter der tog Circadin en betydelig forbedring i symptomerne, sammenlignet med 51 (18, 7%) af de 272 patienter der tog placebo.
When the results of all three studies were looked at together, 86 (32.4%) of the 265 patients taking Circadin reported a significant improvement in symptoms, compared with 51 (18.7%) of the 272 taking placebo.