Table 3 Inter-observer agreement for the two imaging modalities

Primary outcome: identification of diseases

      Sialolithiasis

      Stenosis

      Dilatation

0.96 (0.87–1.00)

0.90 (0.70–1.00)

0.95 (0.86–1.00)

1.00 (1.00–1.00)

0.90 (0.70–1.00)

0.96 (0.88–1.00)

Secondary outcome: last salivary branch visualized

      Stensen’s duct

      Wharton’s duct

0.80 (0.61–0.98)

0.87 (0.76–0.98)

0.78 (0.55–1.00)

0.61 (0.40–0.82)