Comparison 8. Mobile vs fixed bearing, minor outcomes: radiological outcomes.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Radiolucent lines (tibial)	6	1258	Risk Ratio (M‐H, Random, 95% CI)	0.92 [0.49, 1.72]
2 Radiolucent lines (femoral)	4	1095	Risk Ratio (M‐H, Random, 95% CI)	0.92 [0.46, 1.85]
3 Radiolucent lines (overall)	5	978	Risk Ratio (M‐H, Random, 95% CI)	1.20 [0.93, 1.55]
4 Femorotibial alignment	6	1047	Mean Difference (IV, Random, 95% CI)	‐0.40 [‐0.86, 0.06]