Subject area	Medicine
More specific subject area	Hypertriglyceridaemia
Type of data	Text file, Table
How data was acquired	Retrospectively. Clinical history and genotyping of patients
Data format	Summary of raw data
Experimental factors	Retrospective analysis of patient records
Experimental features	The cut-off for the familial chylomicronaemia syndrome score was determined from a validation cohort and tested on replication cohorts
Data source location	Lyon, France; Montréal, Canada; Rome, Italy; Palermo, Italy
Data accessibility	Data are within this article