Table 2.

Mean difference in symptom scores from baseline to 4 and 12 wk after the treatment between the two groups

	Mean difference		(95% CI)	P
OABSS
Total score	W4	−1.505	(−2.212 to −0.799)	<.001
	W12	−1.849	(−2.565 to −1.133)	<.001
Daytime frequency score	W4	−0.087	(−0.244 to 0.070)	.28
	W12	−0.076	(−0.235 to 0.083)	.35
Nighttime frequency score	W4	−0.212	(−0.410 to −0.014)	.036
	W12	−0.399	(−0.599 to −0.198)	<.001
Urgency score	W4	−0.677	(−1.074 to −0.280)	<.001
	W12	−0.672	(−1.074 to −0.270)	.001
Urgency incontinence score	W4	−0.532	(−0.895 to −0.169)	.004
	W12	−0.710	(−1.078 to −0.343)	<.001
IPSS
Total score	W4	−0.657	(−2.051 to 0.737)	.36
	W12	−1.864	(−3.276 to −0.451)	.010
Voiding symptom subscore	W4	0.312	(−0.546 to 1.169)	.48
	W12	−0.019	(−0.888 to 0.850)	.97
Storage symptom subscore	W4	−1.006	(−1.713 to −0.299)	.005
	W12	−1.646	(−2.362 to −0.930)	<.001
Postmicturition symptom score	W4	0.041	(−0.281 to 0.363)	.80
	W12	−0.191	(−0.516 to 0.135)	.25
QOL index	W4	−0.224	(−0.558 to 0.109)	.19
	W12	−0.484	(−0.822 to −0.146)	.005
NIH‐CPSI
Total score	W4	−1.170	(−2.440 to 0.099)	.07
	W12	−2.968	(−4.256 to −1.681)	<.001
Pain or discomfort score	W4	−0.184	(−0.830 to 0.461)	.58
	W12	−0.255	(−0.910 to 0.399)	.44
Impact of symptoms score	W4	0.047	(−0.487 to 0.580)	.86
	W12	−0.859	(−1.399 to −0.318)	.002
QOL score	W4	−1.032	(−1.731 to −0.333)	.004
	W12	−1.838	(−2.546 to −1.129)	<.001

Abbreviations: CI, confidence interval; IPSS, international prostate symptom score; NIH‐CPSI, NIH‐chronic prostatitis symptom index; OABSS, overactive bladder symptom score.