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Matrix used to calculate the kappa statistic.

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Presentation on theme: "Matrix used to calculate the kappa statistic."— Presentation transcript:

1 Matrix used to calculate the kappa statistic.
Matrix used to calculate the kappa statistic. A = sum of concordant responses for positively worded survey questions 1, 3, 6, 7, 9 and 10. B = sum of discordant responses for negatively worded survey questions 4, 5, and 8. C = sum of discordant responses for questions 1–3, 6, 7, 9, and 10. D = sum of concordant responses for questions 4, 5, and 8. The numbers below the letters represent number of responses. Robert L Chatburn et al. Respir Care 2012;57: (c) 2012 by Daedalus Enterprises, Inc.

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