Does MMP-9 Gene Polymorphism Play a Role in Pituitary Adenoma Development?

Table 1

Demographic characteristics of patients with pituitary adenoma (PA) and the control group subjects.

Characteristics	Patients	Controls	p
Sample size	86	526
Age (year) (min./max. median)	19/87/52.5	25/87/51	0.88
Gender
Females, (%)	54 (62.8)	316 (60.1)	0.633
Males, (%)	32 (37.2)	210 (39.9)
Invasiveness
Invasive, (%)	42 (48.8)
Noninvasive, (%)	44 (51.2)
Recurrence
Recurrence, (%)	20 (23.3)
Nonrecurrence, (%)	66 (76.7)
Activity
Active, (%)	56 (65.1)
Inactive, (%)	30 (34.9)