Table 2.

Factors Affecting Return to Play after Cartilage Repair

	MF	ACI	OAT	Allograft
Age	+	+	+	+
Duration of symptoms	+	+	+
Lesion size	+		+
Lesion type	+		+
No. of previous surgeries	+	+
Athlete’s skill level	+	+
Concomitant procedures			+
Repair tissue morphology	+		+

Note: + = demonstrated effect on return to sport; MF = microfracture; ACI = autologous chondrocyte implantation; OAT = osteochondral autograft transfer.