Table 2.

Functional outcome after one- or two-staged revision in TKA.

Author	Year	Patients	Follow-up	KSS	KSS	OKS	OKS	HSS	HSS
		[n]	[years]	praeop	postop	praeop	postop	praeop	postop
TKA, one-staged revision
Buechel et al.23	2004	22	10.2		79.5
Bauer et al.24	2006	30	4.5		75.5
Singer et al.25	2012	63	24		72
Jenny et al.26	2013	47	3		85
Tibrewal et al.27	2014	50	10.5			15	35
Zahar et al.28	2015	70	9					35	70
Haddad et al.8	2015	28	6.5	32	88
Total		310	μ = 9.7	32	80 ± 5.9 *	15	35	35	70
TKA, two-staged revision
Cuckler et al.35	2005	44	5.4	36	84
Huang et al.37	2006	21	4.5	60	80
Jämsen et al.38	2006	34	2.8	38	80
Lichstein et al.44	2016	121	3.7	36	86
Bauer et al.24	2006	77	4.5		75
Haddad et al.8	2015	74	6.5	31	76
Durbhakula et al.34	2004	24	2.8						82
Fehring et al.30	2000	55	3						83
Total		450	μ = 4.2	40 ± 10.2	80 ± 3.9 *				83 [82; 83]

*p = 0.377.