Table 2.

Comparisons of the mean (SD) IELTs and total PEDT scores between the tadalafil 5-mg and placebo groups after 1 and 3 months

Variable, mean (SD)	Tadalafil 5 mg (N = 27)	Placebo (N = 28)	P*
IELT after 1 month, s	50.6 (9.3)	48.2 (10)	0.772
IELT after 3 months, s	52.3 (7.6)	47.7 (9.6)	0.153
Improvement in IELT after 1 month, s	4.8 (4.7)	5 (4.9)	0.657
Improvement in IELT after 3 months, s	6.6 (7)	4.5 (9)	0.610
PEDT score after 1 month	12.6 (2.8)	12.2 (2.9)	0.852
PEDT score after 3 months	11.2 (3.2)	10.7 (2.8)	0.358
PEDT improvement after 1 month	2.1 (1.9)	2 (1.5)	0.713
PEDT improvement after 3 months	3.5 (2.5)	3.3 (2.2)	0.812

*Independent t-test.