Table. 4 Case-level diagnostic performance of the AI model in the external ESD cohort

From: Artificial intelligence-driven prediction of lymph node metastasis in T1 esophageal squamous cell carcinoma using whole slide images

 

Prediction of positive lymph node metastasis

Prediction of negative lymph node metastasis

Performance metrics

Lymph node metastasis (+)

4

0

Sensitivity = 100.0% (4/4)

Lymph node metastasis (−)

5

26

Specificity = 83.9% (26/31)

Column total

9

26

Accuracy = 85.7% (30/35)

Composite metrics

PPV = 44.4% (4/9)

NPV = 100.0% (26/26)

F1-score = 61.5%

Back to article page