Table 2. Correlations between severity of symptoms and related QoL.

QoL	Case (n=169)	Correlation coefficient with symptoms	p-value
Q8 (urinary frequency related QoL)	1.6±1.0	0.80	<0.01
Q9 (urgency related QoL)	1.3±1.0	0.87	<0.01
Q10 (dysuria related QoL)	1.4±1.0	0.89	<0.01
Q11 (sense of incomplete emptying related QoL)	1.4±1.0	0.86	<0.01
Q12 (lower abdominal discomfort related QoL)	1.1±1.0	0.85	<0.01
Q13 (low back pain related QoL)	0.7±.9	0.80	<0.01
Q14 (hematuria related QoL)	0.9±1.0	0.81	<0.01