Table 3.

AROC and specificity at >90% sensitivity for RNFL parameters for comparing normal and glaucoma groups.

	Comparison groups
	Normal-POAG			Normal-NTG			NTG-POAG
	AROC	p1	Sn/Sp	AROC	p2	Sn/Sp	AROC	p3	Sn/Sp
Superior RNFL thickness	0.989	<0.001	100/90	0.940	<0.001	90/90	0.811	<0.001	62/90
Inferior RNFL thickness	0.999	<0.001	100/90	0.876	<0.001	69/90	0.917	<0.001	80/90
Average RNFL thickness	1.000	<0.001	100/100	0.979	<0.001	93/90	0.900	<0.001	76/90
Inferior/superior RNFL thickness differencea	0.644	.061	37/90	0.626	.091	30/90	0.533	.662	13/90
Superior macular thickness	0.997	<0.001	100/90	0.889	<0.001	67/92	0.854	<0.001	53/90
Inferior macular thickness	0.999	<0.001	100/90	0.878	<0.001	80/90	0.911	<0.001	67/90
Inferior/superior macular thickness differenceb	0.882	<0.001	80/93	0.893	<0.001	68/90	0.818	<0.001	71/90
Total macular thickness	0.972	<0.001	100/90	0.872	<0.001	73/90	0.894	<0.001	66/90

p¹, p value for normal-POAG comparison group; p², p value for normal-NTG comparison group; p³, p value for NTG-POAG comparison group

POAG – primary open-angle glaucoma; NTG – normal tension glaucoma.

^aAbsolute difference between superior and inferior RNFL thickness.

^bAbsolute difference between superior and inferior macular thickness.