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Chance Agreement Meaning

aDue contract time = [(21) (39) + (196) (178)]/(217)2 = 0.7583. Compliance observed = (14 + 171)/217 = 0.8525. kappa = (0.8525-0.7583) / (1-0.7583) = 0.39. The match level for interobserver assessments, expressed as the coefficient κ, was 0.9 for histological diagnosis and consisted of 0.7 and 0.75 for semi-quantitative assessment of immunhistochemical staining for all antibodies used in the study. Nevertheless, significant guidelines have appeared in the literature. Perhaps the first Landis and Koch,[13] the values < 0 were not compliant and 0-0.20 as low, 0.21-0.40 as fair, 0.41-0.60 as moderate, 0.61-0.80 as substantial, and 0.81-1 almost perfect. However, these guidelines are not universally recognized; Landis and Koch did not provide evidence to support this, but supported them on personal opinions.