Table 3.

Genotypic model analysis of relationship between SNPs and steroid-induced ONFH

SNP	Model	Genotype	Group = control	Group = case	OR (95% CI)	p
rs7318578	Codominant	C/C	47 (9.3%)	27 (13.6%)	1	0.039*
		C/A	200 (39.5%)	76 (38.2%)	1.01 (0.70–1.46)
		A/A	256 (50.6%)	96 (48.2%)	1.79 (1.03–3.09)
	Dominant	C/C	47 (9.3%)	27 (13.6%)	1	0.427
		C/A–A/A	456 (90.1%)	172 (86.4%)	1.15 (0.82–1.62)
	Recessive	C/C–C/A	247 (48.8%)	103 (51.8%)	1	0.032*
		A/A	256 (50.6%)	96 (48.2%)	1.78 (1.05–3.00)
	Log-additive	-	-	-	1.23 (0.95–1.58)	0.115

^*p < 0.05 indicates statistical significance.