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Table 3 Inter-observer agreement of the CT & MRI & cross section examination per lesion (P lesion) and per patient scan (P patient) for LN

From: Interreader reproducibility of the Neck Imaging Reporting and Data system (NI-RADS) lexicon for the detection of residual/recurrent disease in treated head and neck squamous cell carcinoma (HNSCC)

Groups

K

95% CI

P value

Percent agreement

LN P lesion: CT (No = 55)

0.843

0.695–0.991

< 0.001

92.73%

LN P lesion: MRI (No = 69)

0.849

0.734–0.965

< 0.001

91.3%

LN P lesion: Cross section (No = 124)

0.848

0.761–0.935

< 0.001

91.94%

LN P patient: CT (No = 45)

0.867

0.687–0.99

< 0.001

95.6%

LN P patient: MRI (No = 52)

0.816

0.642–0.989

< 0.001

92.3%

LN P patient: Cross section (No = 97)

0.806

0.668–0.945

< 0.001

92.8%