Table 3

Computed tomography scoring for local invasion in prone and supine positions compared with surgical findings

Positive at operation Negative at operation False positive
on supine scan
False positive
on prone scan
p Value3-152
Aortic invasion13-150 381030.04
Pericardial invasion0392020ns
Airways invasion33-151 3621ns
  • 3-150 One patient was found to have invasion of the aorta at the time of operation which had not been predicted by either prone or supine computed tomograms.

  • 3-151 Three patients local airways invasion correctly predicted by the radiological signs in one case in the supine position and two cases in the prone position.

  • 3-152 χ2 Test comparing false positive results of prone and supine computed tomograms.