FIGURE 1.

Flowchart portraying the patient selection process. Of the 101 patients identified, 18 were deceased at the time of recruitment, 2 were unable to be contacted, 1 refused participation, and 53 did not meet inclusion criteria (18 patients presented evident causes of PSVD listed in the exclusion criteria; 18 had other underlying chronic liver diseases listed in the exclusion criteria; 17 patients had no available liver biopsy or were below 18 y of age). Of the 27 retained patients, 2 had insufficient biological material for analysis, and 3 did not meet the diagnostic histological criteria for the idiopathic PSVD as defined in ref. 28. Abbreviation: PSVD, porto-sinusoidal vascular disorder.