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EJNMMI Research

Table 5 Visual scores of lymph nodes on EARL1 and EARL2

From: Quantitative and clinical implications of the EARL2 versus EARL1 [18F]FDG PET-CT performance standards in head and neck squamous cell carcinoma

EARL1 (n)

EARL2 (n)

Total

Score 1

Score 2

Score 3

Score 4

Score 1

75 (81%)

17 (18%)

1 (1%)

0

93 (100%)

Score 2

3 (10%)

15 (52%)

11 (38%)

0

29 (100%)

Score 3

0

0

15 (71%)

6 (29%)

21 (100%)

Score 4

0

0

0

32 (100%)

32 (100%)

Total

78

32

27

38

175

  1. Bold values represent lymph nodes that were upstaged from score “2—probably benign” on EARL1 to score “3—probably malignant” on EARL2, or from score “3—probably malignant” on EARL1 to score “4—definitely malignant” on EARL2. Italic values represent lymph nodes that were neither upstaged nor downstaged on EARL2 compared to EARL1
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