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Table 2 Intra-rater agreement

From: Validation of pharyngeal findings on sleep nasopharyngoscopy in children with snoring/sleep disordered breathing

  Rater 1 Rater 2 Rater 3
Unweighted K    
Observed 0.64 0.74 0.589
Maximum Possible 0.87 0.83 0.87
Standard Error 0.08 0.07 0.08
95% CI 0.49-0.80 0.60-0.88 0.43-0.74
Linear Weighted K    
Observed 0.60 0.81 0.67
Maximum Possible 0.80 0.84 0.88
Standard Error 1.00 0.06 0.07
95% CI 0.41-0.79 0.70-0.92 0.57-0.83
Proportions of Agreement    
Observed 0.77 0.82 0.69
Maximum Possible 0.92 0.89 0.90
Chance expected 0.36 0.32 0.25
95% CI 0.64-0.86 0.70-0.90 0.56-0.80