The Effect of Autologous Activated Platelet Rich Plasma (AA-PRP) Injection on Pattern Hair Loss: Clinical and Histomorphometric Evaluation

Table 2

Relevant hair growth parameters assessed by TrichoScan analysis for the treatment and control half-head areas at baseline and after 14 weeks (T1).

	Treatment area	Control area
Hair count (mean ± SD)
Baseline	103.6 ± 30.9	111.3 ± 28.9
T1	121.6 ± 34.1	109.3 ± 28.2
Hair density [1/cm^2]; (mean ± SD)
Baseline	159.4 ± 47.6	171.2 ± 44.4
T1	187.1 ± 52.5	168.1 ± 43.3
Terminal hair density [1/cm^2] (mean ± SD)
Baseline	142.7 ± 41.8	152.7 ± 39.7
T1	169.8 ± 47.0	150.6 ± 41.7
Vellus hair density [1/cm^2] (mean ± SD)
Baseline	14.8 ± 9.7	16.9 ± 10.4
T1	15.8 ± 8.5	17.4 ± 13.9