Table 1. Clinical and Pathological Features of Patients with IC and Control Subjects.

variables	no. of patients (%)	no. of controls (%)
no.	43	21
mean age ± SD	50.7 ± 10.7	51.4 ± 13.7
Gender
male	0	0
female	43	21
Grade (IPSS Symptom Score)
severe (>20)	16 (37.2)	0 (0)
modest (9–19)	17 (39.5)	6 (28.6)
mild (0–8)	10 (23.3)	15 (71.4)
Symptoms
frequency	31 (72.1)	2 (9.5)
urgency	28 (65.1)	2 (9.5)
discomfort	9 (20.9)	0 (0)
pain	17 (39.5)	0 (0)