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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