Table 1. The callus volume/bone volume ratio and BMD measured by microcomputed tomography at two and six weeks in the control, V5 (Vardenafil 5 mg) and V10 (Vardenafil 10 mg) groups.

	2nd week	6th week	p value
	Mean±SE	Mean±SE
Callus volume/bone volume (mm3/mm3)
Control group	1.41±0.22	0.69±0.05†	0.0022
V5 group	1.35±0.11	0.79±0.06*,†	0.0022
V10 group	1.42±0.15	0.80±0.04*,†	0.0043
p value	0.964	0.022
BMD (g/cm3)
Control group	0.949±0.013	1.051±0.004†	0.0022
V5 group	0.974±0.009	1.051±0.008†	0.0022
V10 group	0.957±0.013	1.058±0.006†	0.0022
p value	0.373	0.665
BMD: Bone mineral density; SE: Standard error; * p<0.05 vs control group; † p<0.01 vs 2nd week group.