Calculate Cohen's kappa κ = (po − pe)/(1 − pe) to measure inter-rater or classifier agreement beyond chance. κ = 1 is perfect; κ = 0 is chance-level.
Enter the values for the patient or scenario you are assessing. Calculate Cohen's kappa κ = (po − pe)/(1 − pe) to measure inter-rater or classifier agreement beyond chance. κ = 1 is perfect; κ = 0 is chance-level. Use the cohen's kappa result to inform your clinical assessment.