Table 2.

Absolute changes in HbA1c in the tadalafil and placebo groups

	3 months from baseline			6 months from baseline
	Tadalafil (n = 45)	Placebo (n = 23)	P-value*	Tadalafil (n = 45)	Placebo (n = 23)	P-value*
Absolute change in HbA1c, %	− 0.138 ± 0.527	0.204 ± 0.492	0.012	− 0.137 ± 0.528	0.196 ± 0.691	0.030

Data are presented as mean ± standard deviation

^*P values were derived using Student’s t-test