Exploration of the causal effects of leukocyte telomere length and four gastrointestinal diseases: a two-sample bidirectional Mendelian randomization study

Table 1 Results of sensitivity tests for forward Mendelian randomization analysis

Exposure	Outcome	N.snp	heterogeneity				pleiotropy
			MR Egger		IVW		MR-Egger regression		MR-PRESSO
			Q	p-value	Q	p-value	Intercept	p-value	RSSobs	p-value
LTL	IBS	126	141.15	0.14	141.45	0.15	0.00	0.61	143.92	0.15
LTL	GERD	116	113.81	0.49	113.94	0.51	0.00	0.72	115.84	0.51
LTL	PUL	136	100.75	0.99	104.34	0.98	0.00	0.06	106.59	0.97
LTL	NAFLD	120	100.81	0.87	101.88	0.87	-0.01	0.30	104.32	0.88

ISSN: 1471-230X