Result
During the recruitment period, from September 2019 to May 2020, 239
patients were scheduled to undergo a primary unilateral TKA because of
osteoarthritis in our centre. Of them, 38 were ineligible, and 21
declined to participate. Finally, 180 patients were enrolled and
analysed; 60 were randomized to group A, 60 to group B, and 60 to group
C (Fig. 1). The baseline data of the 3 groups were comparable (Table 1).