Table 3. Causal inference results: MR results for biomarkers significantly associated with eGFR in cross-sectional analyses.

Protein biomarker exposure	Protein biomarker abbreviation	Kidney trait outcome	nsnp	β ± SE	p-value
Melanoma cell adhesion molecule	MCAM	eGFR (continuous)	1	-0.0111 ± 0.0027	5.11E-5
Epidermal growth factor containing fibulin-like extracellular matrix protein 1	EFEMP1	eGFR (continuous)	2	-0.0064 ± 0.0016	1.04E-4