TABLE 1.

Causal effect of GERD on IPF.

Exposure-outcome	Method	N (SNP)	P	OR	95%CI	Cochran’s Q test	MR-Egger-intercept	MR-PRESSO
GERD-IPF	MR Egger	76	0.850	1.001	0.994–1.007	0.163	0.643	0.207
	WM	76	0.001	1.002	1.001–1.003
	IVW	76	<0.001	1.002	1.001–1.003
	SM	76	0.446	1.001	0.998–1.005
	WME	76	0.372	1.002	0.998–1.005