Table 1.

Demographic data of patients and control groups

Variables		Patients (n = 33)	Controls (n = 15)
Mean age		35.03 ± 7.76	35.00 ± 5.57
Gender	Male	5	2
	Female	28	13
Disease duration in years		10	–
Frequency of attacks per month		4.45	–
Side affected	Right	11	–
	Left	19	–
	Bilateral	3	–