Table 1.

Genotype and allele frequencies of the COL1A1 and COL5A1 polymorphisms.

SNP	Genotype Frequency	Allele Frequency	p (HWE *)
COL1A1 rs1800012	GG 75 (65.8%)	G 172 (75.4%)	<0.001
	GT 22 (19.3%)	T 56 (24.6%)
	TT 17 (14.9%)
COL5A1 rs12722	TT 63 (55.3%)	C 74 (32.5%)	<0.001
	TC 28 (24.6%)	T 154 (67.5%)
	CC 23 (20.2%)
COL5A1 rs13946	TT 54 (47.4%)	T 154 (67.5%)	0.397
	TC 46 (40.3%)	C 74 (32.5%)
	CC 14 (12.3%)

* HWE-Hardy-Weinberg equilibrium.