Table 2.

Inter- and Intrareader Hemifield Agreement

	% of Times 2/3 or 3/3 Readers Agreed With Each Other for Initial Read, n = 660	% of Times 2/3 or 3/3 Readers Agreed With Each Other for Second Read, 20% Retest, n = 132	% of Times Second Read, Retest, Agreed With the Initial Read, n = 132
Superior agreement, 2 or more in agreement, no. of times (%)	628 (95)	125 (95)	104 (79)
Fleiss' κ	κ = 0.63, P < 0.001	κ = 0.53, P < 0.001	κ = 0.70, P < 0.001
Inferior agreement, 2 or more in agreement, no. of times (%)	597 (91)	126 (95)	109 (83)
Fleiss' κ	κ = 0.65, P < 0.001	κ = 0.58, P < 0.001	κ = 0.71, P < 0.001
Total agreement, 2 or more in agreement, no. of times (%)	1225 (93)	251 (95)	213 (81)