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Table 3 Sensitivity, specificity and ROC AUC according to different number of cores

From: Heterogeneous programmed death-ligand 1 expression in gastric cancer: comparison of tissue microarrays and whole sections

CoresCasesSensitivitySpecificityRoc AUC (95% CI)
11490.490.950.717 (0.633–0.801)
21480.650.950.796 (0.723–0.870)
31460.780.950.863 (0.799–0.927)
41400.830.920.877 (0.811–0.943)
51310.930.920.922 (0.863–0.982)
61240.980.890.934 (0.873–0.996)
  1. ROC receiver operating characteristic, AUC area under the curve