Table 4. Previous Population Based Studies, % Prevalence of BPH/LUTS.

Study/Yr	Place/Pop/Race	Parameter	Overall	Age GPS in Years
				50-59	60-69	>70
Sarma et al 200340	USA MichiganBlacks 369 men	IPSS ≥8	45	42	51	40
Guess et al 199036	Baltimore USA all Races 1057 men	DRE/BPE	36	27	45	52
Truemann et al 1999	UK 1115 men	IPSS ≥8	37	29	38	41
Rosen et al 2003	Multinational Europe USA 12,815 men	IPSS ≥8	29	22	33	45
Nashlund et al 2007	USA all races 444 men	IPSS ≥8	41	33	50	46
		DRE/BPE ≥ 30cc	42	32	50	63
		PSA>1.5ng/ml ≥ 30cc	36	24	46	61
ChokkalinghamGPHS UGMS/NCI/NIH	Ghana Africans 950 men	IPSS ≥8	20	15	23	35
		DRE/BPE ≥ 30cc	62	59	68	60
		PSA >1.5ng/ml ≥ 30cc	36	25	43	58