Table 2. Treatment after the index thrombosis.

	Total (%)	Cytoreductiona
		Yes	No
VKA	143 (79.0)	101 (70.6)	42 (29.4)
VKA+antiplatelets	10 (5.5)	6 (60.0)	4 (40.0)
Antiplatelets	6 (3.3)	6 (100)	2 (0)
Heparin	10 (5.5)	7 (70.0)	3 (30.0)
DOACs	3 (1.7)	2 (66.7)	1 (33.3)
No antithrombotic treatment	9 (5.0)	8 (88.9)	1 (11.1)
Total (%)	181 (100)	130 (71.8)	51 (28.2)

Abbreviations: DOAC, direct oral anticoagulant; VKA, vitamin K-antagonists.

^aHydroxyurea in 108/130 cases (83%).