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EJNMMI Reports

Table 5 Correlation coefficient values between RI and pT by histological type

From: Retention index of FDG-PET/CT SUVmax of the primary tumor in non-small cell lung cancer as a predictor of lymph node metastasis: a retrospective study

Histological type

Correlation coefficient

95% CI

p value

All (n = 218)

0.35

0.23–0.46

 < 0.01

Adenocarcinoma (n = 145)

0.34

0.18–0.47

 < 0.01

Squamous cell carcinoma (n = 53)

0.21

 − 0.07 to 0.45

0.14

Other (n = 20)

0.63

0.23–0.83

 < 0.01

  1. CI confidence interval, RI retention index, pT pathological tumor size
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