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Table 2 Performances of the radiomics models in the primary cohort and validation cohort

From: Radiomic signature of the FOWARC trial predicts pathological response to neoadjuvant treatment in rectal cancer

 

Accuracy (95% CI)

Sensitivity (95% CI)

Specificity (95% CI)

Primary cohort

 Logistic

0.903 (0.833–0.950)

0.900 (0.669–0.982)

0.903 (0.820–0.952)

 SVM

0.912 (0.843–0.957)

0.950 (0.731–0.997)

0.903 (0.820–0.952)

 GBM

0.973 (0.924–0.995)

1.000 (0.799–1.000)

0.946 (0.902–0.992)

Validation cohort

 Logistic

0.797 (0.678–0.887)

0.727 (0.393–0.927)

0.811 (0.676–0.901)

 SVM

0.766 (0.643–0.863)

0.818 (0.478–0.968)

0.755 (0.614–0.858)

 GBM

0.813 (0.695–0.899)

0.727 (0.393–0.927)

0.830 (0.697–0.915)

  1. SVM: support vector machine; GBM: gradient boosting machine