Table 1 Median and ranges expressed in mm. of every observer (columns) and the difference measurements perfomed in each localization (rows). Statistic differences between the difference techniques measurements (rows) in the difference localizations (rows) expressed as p value.

Pulmonary artery stenosis

5.03 (2.3-14.2)

4.75 (2.2-13.3)

5.43 (2.8-18.1)

4.68 (2.1-15

0.060

0.221

0.565

0.051

Vessel diameter 1 cm distal to the stenosis

7.83 (2.1-19.7)

7.6 (2.2-18.7)

5.57 (3.4-10.6)

4.99 (3.0-7.3)

0.202

0.232

0.085

0.328

Vessel diameter 1 cm proximal to the stenosis

5.03 (2.3-14.2)

4.75 (2.2-13.3)

5.43 (2.8-18.1)

4.68 (2.1-15)

0.930

0.304

0.507

0.920

Distance from bifurcation to stenosis

13.58)5.1-30.9)

13.35 (2.9-29.7)

14.4 (2.0-45.0)

14.11 (2.1-45.0)

0.556

0.238

0.476

0.488