Table 3.

Subgroup Analysis Based on Outcome Type.

	Number of Outcomes	FI, Median (IQR)	FQ, Median (IQR)
Complications/adverse events	54	4 (2-5)	0.058 (0.029-0.10)
Cartilage defect filling	22	2 (2-4)	0.059 (0.029-0.071)
Failure/reoperation	20	3 (3-4)	0.063 (0.029-0.09)
Clinical improvement	18	3 (2-5.5)	0.056 (0.035-0.067)
Subchondral architecture	17	4 (2-5)	0.068 (0.051-0.096)
Integration with adjacent cartilage	13	3 (2-5)	0.10 (0.068-0.14)
Repair tissue structure	11	2 (1.5-2.5)	0.071 (0.035-0.090)

FI = fragility index; IQR = interquartile range; FQ = fragility quotient.