Table 4. Cohort studies and annual registries reporting satisfaction of patients following medial UKA in excellent/good and fair/poor.

	Year	No of UKA	Mean FU (y)	Excellent/good	Fair/poor
Cohort Studies
Bhattacharya et al. [53]	2012	131	4.3	93.1 %	6.9 %
Biswal et al. [54]	2010	116	5.7	91.4 %	8.4 %
Gleeson et al. [55]	2004	101	2.0	77.5 %	22.5 %
Pietschmann et al. [56]	2013	131	4.2	93.1 %	6.9 %
Saxler et al. [57]	2004	355	5.5	92.0 %	8.0 %
Schroer et al. [58]	2013	83	3.6	87.0 %	13.0 %
Streit et al. [59]	2015	107	5.0	94.4 %	5.6 %
Von Keudell et al. [60]	2014	141	6.1	94.3 %	5.7 %
Walker et al. [61]	2014	109	4.4	94.5 %	5.5 %
Wong et al. [62]	2014	51	4.3	98.0 %	2.0 %
Annual Registries
New Zealand [12]	2015	2034		88.0 %	12.0 %
Sweden [63]	2000	21164		83.0 %	17.0 %
United Kingdom [51]	2014	25982		84.1 %	15.9 %
Cohort Studies				91.5 %	8.5 %
Annual Registries				85.0 %	15.0 %

UKA indicates unicompartmental knee arthroplasty; FU, follow-up.