Association of the D repeat polymorphism in the ASPNgene with developmental dysplasia of the hip: a case-control study in Han Chinese

Table 2 Association of the D-repeat of ASPN in patients with DDH in a Han Chinese population

Groups compared	D14 vs. Others			D13 vs. Others			D14 vs. D13
	OR	P-value	95% CI	OR	P-value	95% CI	OR	P-value	95% CI
All patients (n = 370) vs. All controls (n = 445)	1.83	0.0016	1.25 to 2.68	0.67	1.3*10^-4	0.55 to 0.82	2.03	2.7*10^-4	1.38 to 2.99
Female patients (n = 313) vs. Female controls (n = 290)	1.95	0.0025	1.26 to 3.03	0.71	0.004	0.56 to 0.90	2.10	9.3*10^-4	1.34 to 3.29
Male patients (n = 57) vs. Male controls (n = 155)	1.02	0.96	0.39 to 2.68	0.51	0.002	0.33 to 0.79	1.34	0.55	0.50 to 3.59

ASPN, asporin; CI, confidence interval; D-repeat, aspartic acid repeat; DDH, developmental dysplasia of the hip; OR, odds ratio.

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