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Table 4 Contingency table for PET-CT in identifying lymph node metastases in SCC group

From: Evaluation of the factors affecting the maximum standardized uptake value of metastatic lymph nodes in different histological types of non-small cell lung cancer on PET-CT

 

Criterion 1

Criterion 2

 

Pathological LN positive(+)

Pathological LN negative(−)

Total

Pathological LN positive(+)

Pathological LN negative(−)

Total

PET-CT(+)

13

12

25

10*

16

26

PET-CT(−)

14

156

170

17

152

169

Total

27

168

195

27

168

195

  1. Criterion 1: Sensitivity: 48.1%; Specificity: 88.1%; Accuracy: 82.6%.
  2. Criterion 2: Sensitivity: 37.0%*; Specificity: 90.5%; Accuracy: 83.1%.
  3. *Means the difference in the sensitivity was significant (P < 0.01) between criterion 1 and criterion 2 in SCC group.