Table 3. The distribution of the items and their respective factor loadings on the extracted factors.

Parameter	Factor 1	Factor 2
Q1 (urinary frequency)	0.68	0.15
Q2 (urgency)	0.68	0.16
Q3 (dysuria)	0.62	0.15
Q4 (sense of incomplete emptying)	0.63	0.28
Q5 (lower abdominal discomfort)	0.28	0.59
Q6 (low back pain)	0.02	0.59
Q7 (hematuria)	0.32	0.05