TABLE 4.

Statistics of hair density, hair count, and mean hair diameter at baseline and 3 months.

	All patients		PRP + 5% Minoxidil (A)		PRP + Placebo (B)		Group A versus Group B
	Mean ± SD	p	Mean ± SD	p	Mean ± SD	p	p
Hair density
Baseline	54.64 ± 18.32	0.024*	56.47 ± 23.15	0.119	52.79 ± 12.33	0.67	0.26
3 months	64.94 ± 16.07		69.07 ± 19.60		60.81 ± 10.71
Mean hair diameter (µm)
Baseline	147.06 ± 18.20	0.775	145.43 ± 20.13	0.805	148.68 ± 16.59	0.455	0.459
3 months	145.74 ± 17.19		147.23 ± 19.25		144.26 ± 15.39
Hair count (1.29 cm2)
Baseline	70.43 ± 23.62	0.031*	72.8 ± 29.85	0.152	68.07 ± 15.89	0.68	0.357
3 months	82.93 ± 20.01		87.47 ± 24.39		78.40 ± 13.79

^* p < 0.05