. 2018 Jul 19;24(8):1234–1240. doi: 10.1177/1076029618788177

Table 2.

Rates of Complications Following Extensive Versus Single Vein Thrombosis.

Complication	All Patients N = 87 (100%)	Extensive UEDVT n = 42 (100%)	Single vein UEDVT n = 45 (100%)	P Value
Pulmonary Embolism	8 (9.2)	2 (4.8)	6 (13.3)	.268
Superior Vena Cava Syndrome	13 (14.9)	4 (9.5)	9 (20.0)	.232
Postthrombotic Syndrome	23 (26.4)	11 (26.2)	12 (26.7)	.960
Any complication^a	35 (40.2)	13 (30.9)	22 (48.9)	.086

Abbreviation: UEDVT, upper extremity deep vein thrombosis

^a 9.2% of all patients developed more than one complication