Table 2: Evaluation of risk of pseudoexfoliation glaucoma according to median and quartile levels of 8-hydroxydeoxyguanosine (8-OHdG).

8-OHdG ng/mLNo. of cases (%)No. of controls (%)Odds ratio95% confidence interval valuea

By median
<17.6817 (41.4)25 (55.5)Reference
≥17.6824 (58.5)20 (44.5)1.760.75–4.150.190

By quartiles
<10.086 (14.6)15 (33.3)Reference
10.08–27.7222 (53.6)22 (48.8)2.500.81–7.630.103
>27.7213 (31.7)8 (17.8)4.061.11–14.800.029

Note. aChi-square test; first quartile (<25th percentile); interquartile (25th–75th percentile); third quartile (>75th percentile).