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Table 5 Stepwise multivariate logistic regression analysis relating statistically significant MR imaging features to retroperitoneal extra-adrenal paragangliomas

From: MR imaging features of benign retroperitoneal paragangliomas and schwannomas

Readers and Features

Adjusted Odds Ratio

Radiologist 1

 Necrosis

0.101 (0.017, 0.595)

 Degree of tumor enhancement

0.097 (0.026, 0.354)

Radiologist 2

 Necrosis

0.148 (0.032, 0.684)

 Degree of tumor enhancement

0.150 (0.048, 0.472)

  1. The model c statistic (Area Under Curve, AUC) was 0.893 (95%CI was 0.807–0.978) for reader 1, AUC = 0.853 (95%CI was 0.748–0.957) for reader 2. Numbers in parentheses are 95% confidence intervals