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Table 4 Agreement between observers (weighted kappa)

From: Accuracy of cervical cytology: comparison of diagnoses of 100 Pap smears read by four pathologists at three hospitals in Norway

Observer P2 P3 P4 P5
P2 - 0.53 0.48 0.45
P3 0.53 - 0.50 0.49
P4 0.48 0.50 - 0.58
P5 0.45 0.49 0.58 -
  1. < 0.00 = No agreement
  2. 0.00–0.20 = Slight agreement
  3. 0.21–0.40 = Fair agreement
  4. 0.41–0.60 = Moderate agreement
  5. 0.61–0.80 = Substantial agreement
  6. 0.81–1.00 = Almost perfect agreement