Nailfold Capillary Hemorrhages: Microvascular Risk Factors for Primary Open-Angle Glaucoma
Table 2
Mean number of nailfold capillary abnormalities per 100 capillaries.
Subject type
n
Hemorrhages/100
Dilated capillaries/100
Avascular zones/100
Mean
SD
value
value†
Mean
SD
value
value†
Mean
SD
value
P value†
Control
277
0.77
1.39
0.69
1.37
0.09
0.34
POAG
206
1.88
1.68
<0.0001
1.02
1.55
0.002
0.20
0.47
0.0005
High-tension
173
1.87
1.71
<0.0001
1.00
1.63
0.02
0.19
0.47
0.003
Normal-tension
33
1.91
1.60
<0.0001
1.10
1.05
0.0007
0.24
0.44
0.001
No surgery
151
1.87
1.82
<0.0001
0.98
1.62
0.03
0.53
0.53
0.89
Surgery
55
1.88
1.44
<0.0001
1.05
1.68
0.005
0.29
0.29
<0.0001
Successful
19
2.05
1.57
<0.0001
1.24
1.69
0.06
0.13
0.32
0.38
Unsuccessful
36
2.00
1.70
<0.0001
0.94
1.69
0.21
0.07
0.28
0.60
SG
29
0.89
0.93
0.08
0.0007
0.47
0.82
0.87
0.12
0.09
0.34
0.78
0.12
OHT
57
0.87
1.19
0.09
<0.0001
0.98
1.36
0.04
0.95
0.16
0.44
0.11
0.48
the Mann–Whitney U test versus control. †the Mann–Whitney U test versus POAG. HTG, high-tension glaucoma; NTG, normal-tension glaucoma; OHT, ocular hypertension; POAG, primary open-angle glaucoma; SG, secondary glaucoma.
