Table 3.

Causal Relationships Between Gut Microbiota And percentage of Predicted FEV₁

Exposure	MR Analyses			Pleiotropy Test		Heterogeneity Test
	p (IVW)	p (BH)	β (95% CI)	MR-PRESSO Global P	MR Egger Intercept	Q	Leave-One-Out Analysis
Class
Negativicutes	0.0022	0.035	−0.073 (−0.120 – −0.026)	0.26	0.0005 (p = 0.94)	12.83 (p = 0.17)	√
Order
Selenomonadales	0.0022	0.044	−0.073 (−0.120 – −0.026)	0.26	0.0005 (p = 0.94)	12.83 (p = 0.17)	√