Table 6.

Mean color flow Doppler measurements (cavernous artery diameter) before and after the application of both transferosomal and free papaverine hydrochloride gel

Patient groups	Cavernous artery diameter (mm)
	TPH gel				FPH gel
	Before application	After application	Percent increase (%)	P-value	Before application	After application	Percent increase (%)	P-value
Normal patient	0.53±0.076	0.78±0.23	47	Significant	0.65±0.1	0.95±0.1	46	Not significant
Hypertensive patient	0.62±0.058	0.75±0.1	22	Not significant	0.75±0.15	0.95±0.25	27	Not significant
Diabetic patient	0.7±0.14	1.025±0.035	46	Not significant	0.7±0.05	0.8±0.1	14.5	Not significant

Note: The values were the means ± standard deviation from three parallel measurements.

Abbreviations: TPH, transferosomal papaverine hydrochloride; FPH, free papaverine hydrochloride.