Comparison of Optical Coherence Tomography Angiography and Laser Speckle Flowgraphy for the Diagnosis of Normal-Tension Glaucoma

Table 4

Correlation between the visual field mean deviations and the diagnostic parameters.

	r
OCT-A whole image vessel density	0.468	0.012
OCT-A inside disc vessel density	0.259	0.184
OCT-A peripapillary vessel density	0.403	0.034
LSFG MBRA	0.295	0.127
LSFG MBRV	0.244	0.210
LSFG MBRT	0.460	0.014
GCC thickness	0.403	0.033
RNFL thickness	0.353	0.065

r: Spearman’s rank coefficient of correlation. . OCT-A: optical coherence tomography angiography; LSFG: laser speckle flowgraphy; MBR: mean blur rate; MBR_A: mean MBR in all areas; MBR_V: mean MBR in the vessel area; MBR_T: mean MBR in the tissue area; GCC: ganglion cell complex; RNFL: retinal nerve fiber layer