Table 1.

The results of the two-sample mendelian randomization analysis.

Exposures	Outcomes	IVW	Weighted median	MR Egger	Weighted mode	Simple mode
		P	P	P	P	P
PA	Knee OA	0.918	0.409	0.527	0.580	0.635

PA physical activity, knee OA knee osteoarthritis, IVW random-effect inverse variance weighted.