Table 1:

Cross-tabulations of image-quality ratings^a

Image Quality	Observer B			Total	% A
	0	1	2
Observer A
0	1	0	0	1	1.9
1	2	12	2	16	29.6
2	0	5	32	37	68.5
Total	3	17	34	54	100
% B	5.5	31.5	63.0	100

^a0 indicates insufficient; 1, adequate; 2, excellent.