Associations of vitamin D deficiency and vitamin D receptor (Cdx-2, Fok I, Bsm I and Taq I) polymorphisms with the risk of primary open-angle glaucoma

Table 4 Serum levels of 1a, 25-Dihydroxyvitamin D3 comparing POAG patients with age-matched people

Group	n	1a, 25-Dihydroxyvitamin D3		t value	P value
Group	n	Mean	SD	t value	P value
Control	73	30.43	3.91	4.920	<0.001
POAG	71	26.37	5.83	4.920	<0.001

ISSN: 1471-2415