MMP9 and hypertensive disorder: Univariate analyses show that the following factors meet the inclusion criteria for multivariate logistic regression: gender, hypertension, hypercholesterolemia, family history of first-degree relatives, and the four polymorphisms FVII (–323 A1/A2), PECAM1 373 C/G (L125 V), PECAM1 G1688A (Ser563Asn), and MMP9 (–1562 C/T).