Table 3. Comparison of ED groups in terms of IPSS and IELT scores before and after tadalafil 5 mg daily treatment.

Group		IPSS_PRE	IPSS_POST	p	IELT_PRE (min)	IELT_POST (min)	p
severe ED	N	20	20	0.001**	20	20	0.001**
	Mean	15.70	11.20		2.30	3.10
	Std. Deviation	3.83	2.97		1.17	1.41
moderate ED	N	22	22	0.002**	22	22	0.001**
	Mean	13.95	10.64		2.09	3.50
	Std. Deviation	5.35	4.74		1.48	2.32
mild ED	N	18	18	0.001**	18	18	0.001**
	Mean	12.47	9.12		2.35	3.88
	Std. Deviation	3.79	3.04		1.62	2.00
Total	N	60	60	0.001**	60	60	0.001**
	Mean	14.12	10.39		2.24	3.47
	Std. Deviation	4.56	3.78		1.41	1.95
p		0,10	0.23		0.83	0.48

**p<0.01