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Table 2 Synopsis of scores and data extracted from studies eligible for analysis

From: Better outcomes and reduced failures for arthroplasty over osteotomy for advanced compartmental knee osteoarthritis in patients older than 50 years

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