Table 2.

Synopsis of scores and data extracted from studies eligible for analysis

Outcome	Procedures (n)	Estimated effect [95% CI]	I2 (%)	P
Tegner	418	0.69 [1.35 to 0.03]	72	0.04
Lysholm	616	3.07 [4.95 to 1.19]	48	0.001
IKDC	141	8.89 [13.48 to 4.29]	0	0.0001
KOOS	141	2.27 [8.77 to − 4.23]	0	0.5
Revision	218	2.27 [0.50 to 10.34]	68	0.004