Table 4. Association of HLA-DP/DQ and STAT4 polymorphisms with clinical characteristics in patients with IgA nephropathy.

SNPs	Lee's Grade I–II (%)	Lee's Grade III–V (%)	OR (95% CI)	p
rs3077
GG	23 (46.0)	45 (50.0)	1.00 (ref.)
AG + AA	27 (54.0)	45 (50.0)	0.85 (0.43–1.70)	0.65
rs9277535
GG	8 (16.0)	25 (27.8)	1.00 (ref.)
AG + AA	42 (84.0)	65 (72.2)	0.49 (0.20–1.20)	0.12
rs7453920
GG	40 (80.0)	74 (82.2)	1.00 (ref.)
AG + AA	10 (20.0)	16 (17.8)	0.86 (0.36–2.08)	0.75
rs7574865
GG	22 (44.0)	41 (45.6)	1.00 (ref.)
TG + TT	28 (56.0)	49 (54.4)	0.94 (0.47–1.88)	0.86

OR: odds ratio; CI: confidence interval.