Table 5 Association between pretreatment CTPA and posttreatment LPBV findings (patient-based analysis).

From: Association between pre-treatment computed tomography findings and post-treatment persistent decrease in lung perfusion blood volume

Pretreatment CTPA findings *

(n = 67)

Posttreatment LPBV findings

P-value

Patients without residual hypoperfused segments

(n = 48)

Patients with residual hypoperfused segments (n = 19)

Location of thrombus

0.022

 Patient without proximal thrombi (n = 25)

22 (88.0%)

3 (12.0%)

 

 Patient with proximal thrombi (n = 42)

26 (61.9%)

16 (38.1%)

 

Vascular patency

0.148

 Patient without occlusive thrombi (n = 8)

4 (50.0%)

4 (50.0%)

 

 Patient with occlusive thrombi (n = 59)

44 (74.6%)

15 (25.4%)

 
  1. *Findings of patients with hypoperfused segments.
  2. IVC, inferior vena cava.
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