Can Variability of Pattern ERG Signal Help to Detect Retinal Ganglion Cells Dysfunction in Glaucomatous Eyes?
Table 3
Clinical characteristics of 21 glaucoma suspect patients.
SGp
Age
Eye
ph1
ph2
ph3
ph4
ph5
amp1
amp2
amp3
amp4
amp5
MD
PSD
RNFL
GCC
CV_p
CV_a
Phase
Ampl
SD_p
SD_a
CCT
IOP
( rad)
( rad)
( rad)
( rad)
( rad)
(V)
(V)
(V)
(V)
(V)
(db)
(db)
(m)
(m)
(%)
(%)
( rad)
(V)
(m)
(mmHg)
#1
47
R
0.60
0.20
0.25
0.33
0.16
1.35
1.30
1.32
1.49
1.13
1.51
1.36
86
83
6.79
8.75
0.31
1.32
0.16
0.12
535
16
#2
54
R
0.04
−0.30
−0.37
−0.20
−0.08
1.00
1.01
0.88
0.83
0.76
−0.23
1.24
92
90
8.09
10.67
−0.18
0.9
0.15
0.1
570
16
#3
49
L
0.12
−0.24
−0.01
0.17
0.10
1.10
1.08
0.95
0.95
0.92
−0.59
1.78
90
78
7.23
7.69
0.03
1
0.15
0.08
597
18
#4
53
R
−0.20
0.12
0.04
−0.04
−0.08
0.95
0.73
0.87
0.89
0.70
−0.21
1.88
91
86
5.52
11.72
−0.03
1
0.11
0.1
515
18
#5
58
L
0.33
0.24
0.01
0.32
0.21
1.47
1.35
1.09
1.51
1.19
−0.78
1.88
84
79
5.11
12.02
0.22
1.32
0.11
0.16
565
20
#6
57
R
−0.16
0.17
0.27
−0.30
0.10
0.59
0.43
0.48
0.66
0.49
0.62
1.16
84
98
10.5
15.79
0.02
0.53
0.21
0.08
525
18
#7
73
L
−0.06
−0.03
−0.04
−0.08
0.17
1.43
1.05
0.87
1.08
1.23
−0.33
1.63
93
74
4.61
16.73
−0.01
1.13
0.09
0.19
549
16
#8
35
R
0.25
0.71
0.66
0.79
0.74
1.58
1.16
1.29
1.62
1.31
−0.25
1.23
96
78
7.3
12.76
0.63
1.39
0.19
0.18
508
16
#9
63
R
0.04
0.42
0.14
0.07
0.14
0.89
0.82
0.98
0.64
0.89
−0.74
1.87
108
91
6.24
13.44
0.16
1.01
0.13
0.11
578
16
#10
77
R
0.14
0.00
0.15
0.01
0.24
0.97
0.56
0.98
0.67
0.64
0.65
1.24
93
72
4.31
23.01
0.11
0.92
0.09
0.18
562
17
#11
53
L
0.42
0.33
0.11
0.37
0.38
0.94
0.65
0.69
0.54
0.66
0.02
1.33
80
80
4.72
19.1
0.32
0.7
0.11
0.13
601
18
#12
64
L
−0.04
0.00
−0.39
−0.16
−0.11
0.70
0.89
0.34
0.37
0.40
−0.01
1.23
96
88
7.25
40.32
−0.14
0.65
0.13
0.22
555
17
#13
50
L
−0.52
−0.64
−0.13
−0.34
−0.33
1.00
0.58
0.65
0.78
0.89
−0.66
1.33
87
82
10.78
19.59
−0.39
0.94
0.17
0.15
495
22
#14
62
L
−0.02
0.20
−0.03
0.23
0.14
0.53
0.40
0.51
0.59
0.48
0.68
1.1
75
74
5.25
12.25
0.1
0.5
0.11
0.06
575
18
#15
57
R
−0.51
−0.68
−0.66
−0.33
−0.62
1.34
1.54
0.86
1.03
0.65
0.84
1.24
93
86
8.93
29.8
−0.56
1.08
0.13
0.32
535
18
#16
64
L
−0.31
−0.15
−0.05
−0.07
0.20
0.66
0.67
0.73
0.55
0.72
1.43
1.4
87
73
8.52
9.33
−0.07
0.8
0.16
0.06
560
21
#17
59
L
−0.12
−0.02
0.05
−0.16
0.01
1.29
1.56
1.45
1.16
1.60
0.27
1.53
94
83
4.04
11.75
−0.05
1.41
0.08
0.17
525
18
#18
51
L
−0.41
0.00
−0.33
−0.12
−0.40
0.65
0.64
0.66
0.66
0.58
0.88
1.43
93
84
9.36
5.09
−0.25
0.77
0.16
0.03
565
18
#19
32
L
−0.09
0.18
0.12
0.03
0.21
1.40
1.42
1.12
1.17
1.24
−0.37
1.34
89
82
5.29
9.76
0.09
1.27
0.11
0.12
608
18
#20
60
L
−0.30
−0.46
−0.22
−0.52
0.13
0.78
0.70
0.66
0.47
0.85
0.25
2.08
106
85
13.18
18.58
−0.27
0.69
0.23
0.13
512
18
#21
61
R
−0.22
−0.17
0.00
−0.35
−0.54
0.82
0.64
0.63
0.88
0.88
0.99
1.45
90
78
10.38
14.46
−0.26
0.93
0.18
0.11
582
20
PERG phase and amplitude (values of 5 consecutive tests), mean deviation (MD), pattern standard deviation (PSD), retinal nerve fiber layer thickness (RNFL), ganglion cell complex (GCC), coefficient of variation of amplitude (CV_a), coefficient of variation of phase (CV_p), mean phase (phase), mean amplitude (Ampl), standard deviation of amplitude (SD_a), standard deviation of phase (CV_p), central corneal thickness (CCTi), and intraocular pressure (IOP) in 21 glaucoma suspect patients (SGp).
