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Table 2 Interobserver reliability

From: Recent technological developments: in situ histopathological interrogation of surgical tissues and resection margins

Number of observed agreements 37 (92.50% of the observations)
Number of agreements expected by chance 20.0 (50.00% of the observations)
Kappa = 0.850  
95% confidence interval 0.687 to 1.013
The strength of agreement is considered to be 'very good'