Optic Nerve Head Hemoglobin Levels in Glaucoma: A Structural and Functional Correlation Study
Table 1
Demographic and ocular characteristics of study patients.
Variables
Control group
Glaucoma group
value
Age ± SD (years)
60.60 ± 14.21
63.54 ± 10.46
0.100
Gender (%, W/M)
68.5/31.5
59.4/40.6
0.300
Race (%, C/AD/O)
74.0/3.8/22.2
70.3/9.4/20.3
0.470
Intraocular pressure (mmHg)
13.00 (12.25, 15.00)
13.00 (12.00, 15.00)
0.950
Central corneal thickness (μm)
537 (517, 553)
506 (482, 528)
0.004
pRNFL thickness (μm)
103.74 ± 8.67
83.47 ± 13.06
<0.001
VFMD index (dB)
−0.76 ± 2.05
−7.23 ± 8.02
<0.001
VFI (%)
99 (98, 99)
95 (79.5, 97.5)
0.001
Spherical equivalent (D)
0.5 (−0.5, 2.0)
0.0 (−1.12, 1.37)
0.033
GDF index
16.25 ± 14.17
−28.02 ± 19.08
0.0001
VCDR
0.40 ± 0.18
0.75 ± 0.13
0.0001
Data are given as mean ± standard deviation whenever indicated. W: women; M: men; C: Caucasian; AD: African descendants; O: others; pRNFL: peripapillary retinal nerve fiber layer; VFMD: visual field mean deviation; VFI: visual field index; GDF: glaucoma discriminant function; VCDR: vertical cup-to-disc ratio.
