Table 2 Comparison of the results of the test set with those of the external verification set

Test_auc

0.879

0.83

auc_ci

(0.856,0.902)

(0.794,0.866)

Specificity

0.687

0.756

Specificity_ci

(0.653,0.721)

(0.713,0.799)

Sensitivity

0.956

0.821

Sensitivity_ci

(0.889,1.0)

(0.692,0.923)

F1

0.27

0.398

Youden Index

0.642

0.577

MCC

0.314

0.37

Kappa

0.19

0.295

npv

0.996

0.976

npv_ci

(0.99,1.0)

(0.958,0.993)

ppv

0.158

0.262

Ppv_ci

(0.117,0.201)

(0.189,0.344)

plr

3.049

3.364

nlr

0.065

0.237

mAP

0.717

0.688