Results
MAY, RECRUITMENT
- Participant flow and recruitmentTwenty-eight patients (median age 28 years; range, 18-52 years) were randomized in a 1:1 ratio to either Invisalign or brackets. Patient recruitment commenced in May 2016 and ended in February 2017. No patients were lost to follow-up.- Baseline dataSixteen women and 12 men participated in the study. The Invisalign group comprised 14 patients (9 women and 5 men) with a median age of 26.5 years (interquartile range, 19; range 19-52). The brackets group comprised 14 patients (7 women and 7 men) with a median age of 28.5 years (interquartile range, 17; range 18-47). Baseline characteristics of the patients in the treatment groups are displayed in 
Flowchart showing recruitment of patients and allocation.
