Increased Plasma Levels of 8-Hydroxy-2′-deoxyguanosine (8-OHdG) in Patients with Pseudoexfoliation Glaucoma

Table 2

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

8-OHdG ng/mL	No. of cases (%)	No. of controls (%)	Odds ratio	95% confidence interval	value^a
By median
<17.68	17 (41.4)	25 (55.5)	Reference	—	—
≥17.68	24 (58.5)	20 (44.5)	1.76	0.75–4.15	0.190
By quartiles ^†
<10.08	6 (14.6)	15 (33.3)	Reference	—	—
10.08–27.72	22 (53.6)	22 (48.8)	2.50	0.81–7.63	0.103
>27.72	13 (31.7)	8 (17.8)	4.06	1.11–14.80	0.029

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