Table 2.

Frequency of urinary retention in patients receiving tamsulosin and placebo

Study group	Feeling the fever under the abdomen and inability to urinate				P
	Yes		No
	No.	%	No.	%
Tamsulosin	14	21/5	51	78/5	0/054
Placebo	24	36/9	41	63/1
All participants	38	29/2	92	70/8