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Table 3 Relation between initial thrombus vessel and presence and location of postthrombotic changes as seen by ultrasonography at 5 years follow-up

From: A follow-up study of the fate of small asymptomatic deep venous thromboses

  No post-thrombotic changes Posttrombotic changes
   Fewer segments Same segments New segments
Initial DVT vein segment:     
Muscular veins (n = 5) 5    
Post tibial veins, PTV (n = 7) 3   3 1
Fibular veins, F (n = 27) 12   12 3
PTV + F (n = 7) † 1 5 1  
  1. † Includes one patient with a muscular vein DVT that during the immobilisation period progressed into calf veins and popliteal vein (see Table 2 - Patient nr 7)