Equal tibial component fixation of a mobile-bearing and fixed-bearing medial unicompartmental knee arthroplasty: a randomized controlled RSA study with 2-year follow-up

Figures & data

Figure 1. Consort 2010 flow diagram.

Table 3. Summary of baseline characteristics

Factor	MB UKA (n = 33)	FB UKA (n =32)
Mean age (range)	64 (50–78)	61 (47–79)
Male/female sex	16/17	17/15
Mean weight, kg (SD)	87 (15)	89 (13)
Mean height, cm (SD)	171 (10)	173 (9)
Mean BMI (SD)	29 (4)	30 (4)
Mean Oxford Knee Score (SD)	26 (4.8)	28 (7.1)
RAND-36 (SD)
physical functioning	50 (17)	53 (19)
pain	65 (44)	72 (38)
general health	74 (18)	75 (14)

Table 8. Oxford Knee Score (mean (CI)), ranging from 0 (worst) to 48 (best)

Time	MB UKA	FB UKA
Preoperative	26 (24–28)	28 (26–30)
4 months	38 (35–40)	37 (34–39)
12 months	42 (40–44)	41 (39–43)
24 months	40 (37–43)	41 (38–44)

Figure 2. (a) X-rotation, (b) Y-translation, and (c) maximal total point motion (MTPM) for the tibial component (median and 95% CI).