Table 1

 Characteristics of subjects by status of FDT-VFA

FDT-VFAp Value
(+)(−)
n = 522n = 8602
Data in parentheses are percentages unless stated otherwise. *χ2 Test; †non-paired test. FDT-VFA, visual field abnormalities detected by frequency doubling technology perimetry.
Age (y)
    20–2922 (4.2)837 (9.7)
    30–39100 (19.2)2418 (28.1)
    40–49195 (37.4)2878 (33.5)
    50–59178 (34.1)2201 (25.6)
    60–27 (5.2)268 (3.1)<0.001*
Mean (SD)46.3 (8.8)43.0 (9.8)<0.001†
Sex
Male486 (93.1)7766 (90.3)0.057*