Table 1.

EOG in retinopathy

EOG criteria	Mild retinopathy	Advanced retinopathy	Normals
AQ<180 “abnormal”	23	2	23
AQ>180 “normal”	15	2	27
	Sensitivity 61%	Sensitivity 50%	Specificity 54%
AQ<160 “abnormal”	12	2	9
AQ>160 “normal”	26	2	41
	Sensitivity 32%	Sensitivity 50%	Specificity 82%
Reduction of AQ>20% “abnormal”	8		6
Reduction of AQ<20% “normal”	20	1	26
	Sensitivity 29%	*	Specificity 81%
Reduction of AQ>30% “abnormal”	3		5
Reduction of AQ<30% “normal”	25	1	27
	Sensitivity 11%	*	Specificity 84%

Sensitivity and specificity of EOG to screen for chloroquine retinopathy. Different cut-off criteria are listed.

*Cannot be assessed validly due to the low patient number.