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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%