Table 2.

Pre-, Intra-, and Postoperative Details Extracted from Studies Analyzed.

Preoperative	Postoperative
Author	Complications
Year of publication	Failures
Journal of publication	Mean time to failure
Conflicts of interest	Reoperations (planned or unplanned)
Study design	Time to reoperation
Level of evidence	Mean duration of follow-up
Randomization	Biopsy specimens sent for histology
Subject age	Radiographic follow-up
Body mass index	Rehabilitation Protocol
Number of subjects in each cohort	Rate of return to sport
Gender	Duration time stayed in sport, number of subjects who returned to preoperative level of sport
Workers’ compensation subjects
Prior surgeries	Clinical outcomes scores
Duration of preoperative symptoms	SF-36
	Marx Activity Rating
Intraoperative	Subjective IKDC
Mean defect size	KOOS overall and subscores
Cartilage defect grade (Outerbridge, ICRS)	Visual analogue scale
Defect location	Knee range of motion
Operative procedure	Tegner activity score
OAT and osteochondral allograft	Cincinnati knee scores
Size (diameter, depth, location) and number of plugs used	Hospital for Special Surgery knee scores
ACI	Lysholm scores
Generation	Sports activity level
Concurrent surgeries
Meniscus transplant/repair/ectomy, osteotomies, ACL reconstruction, other concurrent procedures

Note: ICRS = International Cartilage Repair Society; OAT = osteochondral autograft; ACI = autologous chondrocyte implantation; ACL = anterior cruciate ligament; SF-36 = Short-Form-36; IKDC = International Knee Documentation Committee; KOOS = Knee Injury and Osteoarthritis Outcome Score.