Table 1.

Study demographics

Study	Study type	Sample	Sample	Age	Gender	Control
van Valburg 200020	RCT	Canine ACL transection	13	N/A	N/A	N = 5 articulating N = 3 blocked hinges N = 5 control no treatment
Yanai 200521	RCT	Rabbit Cartilage defect	33	N/A	N/A	N = 15 articulating N = 6 no distraction N = 6 articulating and ACBMT N = 6 atelocollagen gel
Kajiwara 200522	RCT	Rabbit Osteochondral defect	36	N/A	N/A	N = 36 articulating N = 36 control (contralateral knee)
Kamei 201323	Observational	Cadaveric	10	N/A	N/A	No control
Struik 201724	Observational	Cadaveric	3	N/A	N/A	No control
Deie 200726	Case series	Human	7	49 (42–63)	2M 4F	No control
Struik 202125	Case series	Human	3	ND	ND	No control

ND, not documented