“…cognitive function, IADL scores), or this information was not provided [40-45,47,50-52]. In other cases, the rater was blinded to some, but usually not all, patient data [39,46,48,49,56]. Most studies did not adequately describe reasons for patient exclusion or their characteristics relative to the study subjects [40-43,45-49,51], or whether study subjects were currently managing their own medications [42-44,46-51], making generalisation of findings difficult and introducing potential spectrum bias [13,18,57].…”