Functional Polymorphisms of Matrix Metalloproteinases 1 and 9 Genes in Women with Spontaneous Preterm Birth

Table 2

Genotype and allele frequencies of MMP-1-1607 1G/2G and MMP-9-1562 C/T gene polymorphisms in women with SPTB and control women.

Gene polymorphism	SPTB; (); (%)	Controls; (); (%)	Chi square	value
MMP-1-1607
2G2G	24 (21.2)	30 (25.2)
1G2G	66 (58.4)	64 (53.8)	0.63	0.731
1G1G	23 (20.4)	25 (21.0)
2G	114 (50.4)	124 (52.1)	0.13	0.721
1G	112 (49.6)	114 (47.9)
MMP-9-1562
CC	86 (76.1)	83 (69.7)
CT	27 (23.9)	36 (30.3)	1.18	0.276
TT	0 (0)	0 (0)
C	199 (88.0)	202 (84.9)	1.00	0.318
T	27 (12.0)	36 (15.1)