Table 1

Subjective noise assessment

Axial mediastinumAxial parenchymaCoronal mediastinumCoronal parenchyma
VeoFBPVeoFBPVeoFBPVeoFBP
Reader 1
 Minimal, no (%)2 (7)22 (82)6 (21)25 (93)19 (68)25 (93)22 (79)26 (96)
 Moderate, no (%)19 (68)5 (18)18 (64)2 (7)8 (32)2 (7)5 (21)1 (4)
 Important, no (%)6 (25)03 (14)00000
  p Value<0.001<0.0010.030.10
Reader 2
 Minimal, no (%)2 (7)17 (64)4 (14)26 (96)8 (29)19 (68)19 (68)26 (96)
 Moderate, no (%)14 (50)10 (36)18 (64)1 (4)17 (61)7 (29)8 (32)1 (4)
 Important, no (%)11 (43)05 (21)02 (11)1 (4)00
  p Value<0.001<0.0010.02<0.01
  • FBP, filtered back projection.