Table 1.

Reported rates of secondary osteoarthritis following GCT resection and corresponding interventions.

Author	Year	Intervention	n	Mean Follow-up	Rate of OA	Additional Notes
Araki et al. [74]	2020	Calcium phosphate	19	131mo	26 %
Takeuchi et al. [100]	2018	Calcium phosphate	26	87mo	4 %
Kito et al. [99]	2018	PMMA alone	5	336mo	40 %	OA defined as Kellgren-Lawrence (KL) grade 3 or greater
van der Heijden et al. [98]	2013	PMMA±Bone graft	53	86mo	17 %	OA defined as KL 3 or greater
von Steyern et al. [97]	2007	PMMA alone	9	132mo	11 %	Mean distance from cement to cartilage: 1 mm
Wada et al. [101]	2002	PMMA alone	15	46mo	7 %
Wu et al. [102]	2018	Bone graft + PMMA	27	33mo	11 %	All were KL2 or less
Benevenia et al. [103]	2017	Bone graft alone	4	59mo	0 %
		Bone graft + PMMA	17		6 %
		PMMA alone	22		32 %
Xu et al. [95]	2013	Bone graft + PMMA	34	35mo	29 %	Reported on patients with <10 mm remaining subchondral bone
		PMMA alone	23		57 %
Suzuki et al. [76]	2007	PMMA±Bone graft	12	57mo	25 %	Not significant (p = 0.429)
		Bone graft alone	18		38 %
Szalay et al. [90]	2006	Bone graft alone	44	24mo	14 %	No significant difference beyond 50 months
		PMMA alone	36		8 %