Table 3.

Changes in objective findings in the two groups of patients who completed the study.

	SP group	p (intra- group)	LP group	p (intra-group)	p (inter-group)
	Mean ± SD (difference in mean change from baseline and 3 months)		Mean ± SD (difference in mean change from baseline and 3 months)
N
MCC (ml)	57		48
baseline	250 ± 89		233 ± 82		0.31
3 months	288 ± 66 (+38)	0.04	271 ± 72 (+38)	0.017	0.36
24 months	296 ± 87 (+46, +8)	0.007	284 ± 80 (+51, +13)	0.002	0.47
Qmax (ml/s)
baseline	8.2 ± 4.1		6.7 ± 2.9		0.03
3 months	10.7 ± 4.7 (+2.5)	0.003	9.3 ± 3.9 (+2.6)	<0.001	0.11
24 months	10.8 ± 4.5 (+2.6, +0.1)	0.003	9.0 ± 6.8 (+2.3, −0.3)	0.03	0.14
PdetQmax (cmH2O)
baseline	67.0 ± 14.3		85.3 ± 24.9		<0.001
3 months	51.8 ± 12.4 (−15.2)	<0.001	66.3 ± 25.1 (−19.0)	<0.001	<0.001
24 months	51.4 ± 14.3 (−15.6, –0.4)	<0.001	73.1 ± 25.1 (−12.2, +6.8)	0.02	<0.001
PVR (ml)
baseline	49 ± 49		64 ± 62		0.16
3 months	25 ± 33 (−24)	0.003	41 ± 43 (−23)	0.03	0.03
24 months	30 ± 37 (−19, +5)	0.03	55 ± 48 (−9, +14)	0.38	0.006
BOOI
baseline	50.5 ± 16.9		71.8 ± 26.6		<0.001
3 months	30.4 ± 15.9 (−20.1)	<0.001	47.6 ± 28.1 (−24.2)	<0.001	<0.001
Mean improvement rate	41.3 %		35.9 %		0.39
24 months	29.9 ± 18.7 (−20.6, −0.5)	<0.001	55.1 ± 33.9 (−16.7, +7.5)	0.008	<0.001
Mean improvement rate	43.5 %		21.1%		<0.001
DO case, Disappearing rate (%)
baseline	27/57		29/48		0.18
3 months	14/57 (48.1%)	0.01	19/48 (34.4%)	0.04	0.09
24 months	10/57 (63.0%)	<0.001	19/48 (34.4%)	0.04	0.01

BOOI, bladder outlet obstruction index; DO, detrusor overactivity; LP, large prostate; MCC, maximum cystometric capacity; PdetQmax, detrusor pressure at Qmax; Qmax, maximum urinary flow rate; SD, standard deviation; SP, small prostate.