Table 4.

Agreement between the analysis methods and ethnicity-specific databases.

Analysis Methods and Databases	κ Coefficient	P Value
MRA3-C vs. MRA3-A vs. MRA3-I	0.748	<0.001
GPS3-C vs. GPS3-A vs. GPS3-I	0.578	<0.001
MRA3-C vs. GPS3-C	0.382	<0.001
MRA3-A vs. GPS3-A	0.369	<0.001
MRA3-I vs. GPS3-I	0.365	<0.001

C: Caucasian; A: African-American; I: Indian, MRA: Moorfields Regression Analysis, GPS: Glaucoma Probability Score.