Table 3.

Correlation between Twitter activity (impressions) and PubMed publications and between Twitter activity (impressions) and preprints by organ system. Italicized values indicate statistical significance.

Organ system		Impressions and PubMed publications (ρ)	P value	Impressions and preprints (ρ)	P value
Overall trend		0.56	<.001	0.54	<.001
Trend by organ system
	Pulmonology or critical care	0.8	.001	0.8	.002
	Luminal gastroenterology	0.7	.009	0.7	.006
	Hepatology	0.7	.005	0.7	.006
	Inflammatory bowel disease	0.8	.004	0.4	.20
	Pancreatology	0.5	.07	0.3	.30
	Gastrointestinal endoscopy	0.8	.004	0.7	.02