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Table 2 Correlation between risk categories across variables: Negative Percent Agreement (NPA), Positive Percent Agreement (PPA) and Overall Percent Agreement (OPA) for all the variables tested and the 95% CI scores are provided

From: Analytical validation of CanAssist-Breast: an immunohistochemistry based prognostic test for hormone receptor positive breast cancer patients

Parameters OPA (95% CI) NPA (95% CI) PPA (95% CI)
Inter-observer 93.3 (91.2, 94.9) 93.1 (90.3, 95.4) 93.4 (90.2, 95.8)
Intra-observer 91.3 (88.4, 93.7) 91.7 (87.9, 94.6) 90.8 (85.8, 94.4)
Inter-operator 95.2 (89.9, 98.2) 93.3 (83.8, 98.2) 97.0 (89.5, 99.6)
Inter-run 95.3 (90.2, 98.3) 93.8 (82.8, 98.7) 96.3 (89.6, 99.2)
Intra-run/intra-operator 99.2 (95.6, 100.0) 98.3 (91.1, 100.0) 100.0 (94.3, 100.0)
  1. OPA: overall percent agreement, NPA: Negative percent agreement, PPA: Positive percent agreement, CI: confidence Interval
  2. Place holder for Table 2 can be placed in ‘Precision on risk-category prediction’ in “Results” section at line no. 266