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. Author manuscript; available in PMC: 2009 Mar 1.
Published in final edited form as: Invest Ophthalmol Vis Sci. 2008 Mar;49(3):954–960. doi: 10.1167/iovs.07-0493

TABLE 4.

Agreement between Each Test Combination (Kappa Statistic and Strength of Agreement) for the Glaucoma Patients (n = 85) Using the Best Parameter for Each Test and the PSD Criteria

Kappa Statistic Strength of Agreement
Best parameter SAP and FDT 24-2 0.444 Moderate
SAP and FDT N-30 0.371 Fair
FDT 24-2 and FDT N-30 0.396 Fair
PSD SAP and FDT 24-2 0.628 Substantial
SAP and FDT N-30 0.489 Moderate
FDT 24-2 and FDT N-30 0.617 Substantial

PSD, pattern standard deviation.