“…However, Franks 52 study investigating VLU recurrence rates in patients wearing either of two different brands of stockings considered a participant adherent if they "wore their stockings all day every day", 52 demonstrating a much more arduous wearing regime required for their study participants to be classified as "adherent". (e) Measurement: Eight studies 9,30,44,45,60,72,78,81 relied purely on observation by a clinician (nurses or physicians), while 15 studies 12,16,38,41,51,52,61,62,69,70,73,74,79,80,82 relied on patient self-report delivered either verbally or via questionnaire or journal. Three studies 57,71,77 used a combination of observation and self-report.…”