Table 3.

SNPs frequencies and logistic regression results for the non-union status.

Gene	SNP	Genotypes	Group A (non-union)	Group B (union)	Age unadjusted	Age unadjusted	Age adjusted	Age adjusted
					OR	p	OR	p
		C/C	20	13	1.00		1.00
	rs4811822	C/T	26	27	0.63	0.30	0.57	0.23
		T/T	16	7	1.49	0.49	1.29	0.67
		C/C	17	12	1.00		1.00
	rs4811823	C/T	27	27	0.71	0.45	0.61	0.31
BMP-7		T/T	18	8	1.59	0.42	1.36	0.60
		A/A	25	12	1.00		1.00
	rs1475000	G/A	28	28	0.48	0.10	0.48	0.10
		G/G	9	7	0.62	0.43	0.70	0.57
		A/A	27	15	1.00		1.00
	rs186659	G/A	27	26	0.58	0.19	0.58	0.21
		G/G	8	6	0.74	0.63	0.80	0.73
		A/A	5	6	1.00		1.00
	rs1005464	G/A	21	11	2.29	0.24	1.90	0.38
		G/G	36	30	1.44	0.58	1.13	0.85
		A/A	11	9	1.00		1.00
BMP-2	rs235768	T/A	31	24	1.06	0.92	1.10	0.86
		T/T	20	14	1.17	0.78	1.34	0.62
		A/A	8	7	1.00		1.00
	rs235764	G/A	24	13	1.62	0.44	1.67	0.42
		G/G	30	27	0.97	0.96	1.21	0.76
		A/A	11	4	1.00		1.00
	rs1442828	G/A	33	21	0.57	0.39	0.60	0.45
		G/G	18	22	0.30	0.07	0.28	0.06
		A/A	16	19	1.00		1.00
NOG	rs1372857	G/A	30	24	1.48	0.37	1.63	0.27
		G/G	16	4	4.75	0.02	4.56	0.02
		G/G	10	10	1.00		1.00
	rs9915822	G/T	29	27	1.07	0.89	1.28	0.65
		T/T	23	10	2.30	0.16	2.26	0.17
		C/C	1	5	1.00		1.00
	rs2053423	C/T	25	20	6.25	0.11	7.74	0.09
		T/T	36	22	8.18	0.05	10.27	0.04
		C/C	23	20	1.00		1.00
	rs2119261	C/T	34	21	1.41	0.41	1.41	0.41
		T/T	5	6	0.72	0.64	1.00	0.99
		C/C	36	22	1.00		1.00
SMAD6	rs2119260	C/T	25	21	0.73	0.43	0.73	0.45
		T/T	1	4	0.15	0.10	0.11	0.07
		A/A	2	1	1.00		1.00
	rs3934907	C/A	18	11	0.82	0.88	0.85	0.90
		C/C	42	35	0.60	0.68	0.62	0.71
		C/C	22	16	1.00		1.00
	rs3934908	C/T	30	24	0.91	0.82	0.95	0.92
		T/T	10	7	1.04	0.95	1.05	0.93

[Logistic regression results of genotypes for non-union status: p: p-value, OR: odds ratios]