Table 2.

Summary of data recorded from studies included in meta-analysis

Author	Type	Pts	Knee	E/G results	Pain no/mild	Revision TKA	Complication	Knee	Score	ROM	Velocity	FTA
Karpman et al. [8]	HTO	21	23	11	NS	0	11	NS	NS	NS	NS	NS
	UKA	19	21	19		2	3
Broughton et al. [9]	HTO	45	49	21	23	10	17	Baily	35.8 ± 7	NS	NS	NS
	UKA	34	42	32	34	3	4		39.6 ± 7.3
Jefferson RJ et al.	HTO	20	23	NS	NS	5	NS	NS	NS	NS	1.02 ± 0.19	NS
[10]	UKA	20	24			17					0.99 ± 0.21	(+) 3.2°
Ivarsson et al. [5]	HTO	10	10	4	10	NS	NS	Lysholm	78 ± 19	121 ± 11	0.94 ± 0.30	NS
	UKA	10	10	8	10				91 ± 11	112 ± 13	0.93 ± 0.22
Weale et al. [11]	HTO	21	21	7	9	17	NS	Baily	31	NS	NS	NS
	UKA	15	15	8	12	5			34
Stukenborg et al.	HTO	32	32	15	NS	10	9	KSS	76 (29–100)	117 (85–135)	NS	(−) 0.25°
[12]	UKA	28	30	13		6	2		74 (31–94)	103 (35–140)		(−) 5.25°
Borjesson et al. [13]	HTO	18	18	18	18	NS	NS	BOA	37 (36–39)	123 ± 0.5	1.13 ± 0.14	NS
	UKA	22	22	22	22				37 (31–39)	123 ± 0.5	1.19 ± 0.15
Dettoni et al. [14]	HTO	54		50	NS	0	NS	KSS	NS	NS	NS	NS
	UKA	56		53		0			NS
Takeuchi et al. [15]	HTO	24	27	27	NS	0	2	KSS	89 ± 7.6	146 ± 5.9	NS	170 ± 2.1°
	UKA	18	30	29		2	3		79 ± 6.8	127 ± 16		174 ± 3.8°
Dahl-W et al. [16]	HTO	450		NS	NS	76	NS	NS	NS	NS	NS	NS
	UKA	4799				816
Yim JH et al. [17]	HTO	58	58	NS	NS	NS	3	Lysholm	89.6 ± 8.7	138.8 ± 4.7	NS	(+) 1.8 ± 1.7°
	UKA	50	50				3		90.3 ± 7.7	130.0 ± 8.8		(−) 1.9 ± 2.2°
S Karamitev et al.	HTO	92	96	83	78	NS	NS	KSS	NS	NS	NS	NS
[18]	UKA	65	66	65	56
Tuncay et al. [19]	HTO	88	93	NS	NS	0	8	HSS	83.73	NS	NS	NS
	UKA	94	109			3	3		90
Petersen et al. [20]	HTO	23	23	17	NS	1	2	HSS	NS	NS	NS	NS
	UKA	25	25	21		1	1
AJ Krych et al. [21]	HTO	57	57	NS	NS	13	NS	Lysholm	80.2 ± 11.8	NS	NS	(+) 1.3 ± 2.4°
	UKA	183	183			11			90.0 ± 11.0			NS

Type procedure type, Pts patients, Knee number of operated knee, E/G excellent, good result, Pain pain assessment, ROM range of motion, Velocity free walking speed, FTA femoro-tibial angle, Baily Baily knee score, Lysholm Lysholm knee score, KSS Knee Society score, BOA British Orthopaedic Association score, HSS Hospital for Special Surgery score, (+) valgus, (−) varus, NS not stated