Table 2.

Sensitivities and specificities for discrimination between preperimetric glaucoma and healthy control (categorical variables—criteria)

Healthy vs. PPG	Sensitivity	p-value 1	p-value 2	Specificity	p-value 1	p-value 2
Wide-field RNFL thickness map	92.1		0.453	89.2		1.000
Wide-field SuperPixel map	84.2	0.453		91.9	1.000
SD-OCT
RNFL thickness map	84.2	0.453	1.000	70.3	1.000	1.000
RNFL deviation map	63.2	0.003	0.008	89.2	1.000	1.000
GC-IPL thickness map	71.1	0.039	0.227	86.5	1.000	1.000
GC-IPL deviation map	78.9	0.180	0.625	64.9	0.004	0.006
Thickness map (RNFL+GC-IPL)	86.8	0.687	1.000	94.6	0.625	1.000
Deviation map (RNFL+GC-IPL)	71.1	0.021	0.063	100.0	N/A	N/A
SD-OCT cpRNFL thickness
Clock hours <1% (red)	47.4	<0.001	<0.001	94.6	0.687	1.000
Quadrants <1% (red)	39.5	<0.001	<0.001	97.3	0.375	0.625
Clock hours <5% (yellow)	65.8	0.006	0.016	64.9	0.012	0.002
Quadrant <5% (yellow)	63.2	0.003	0.021	91.9	1.000	1.000
SD-OCT ganglion cell analysis
GC-IPL<1% (red)	60.5	0.002	0.004	86.5	1.000	0.727
GC-IPL<5% (yellow)	86.8	0.727	1.000	70.3	0.092	0.057

p-value 1 index compared with wide-field RNFL thickness map (McNemar’s test)

p-value 2 index compared with wide-field SuperPixel map (McNemar’s test)

Bold values indicates statistically significant with p-value less than 0.05

PPG preperimetric glaucoma, RNFL retinal nerve fiber layer, cpRNFL circumpapillary RNFL, GC-IPL ganglion cell-inner plexiform layer