. 2020 Sep 24;10(6):1345–1357. doi: 10.1007/s13555-020-00448-x

Table 2.

Total, non-vellus hair count, and hair diameter

Hair count (hairs/cm²)	Total patient cohort (n = 30)	Patient cohort aged < 41 years (n = 19)	Patient cohort aged ≥ 41 years (n = 11)	P value^b
Total hair count
Baseline	182.5 ± 43.3	180.4 ± 40.6	186.3 ± 49.5	0.726
12 weeks	208.5 ± 42.8	208.2 ± 39.3	209.1 ± 50.3	0.958
24 weeks	217.6 ± 44.9	221 ± 42.7	211.6 ± 49.9	0.578
P value	0.007^a
Difference from baseline
12 weeks	26.0 ± 19.5	27.8 ± 20.3	22.8 ± 18.3	0.505
24 weeks	35.1 ± 18.9	40.7 ± 17.5	25.4 ± 17.7	0.029
Percentage increase = 100 × (([end count − baseline count)]baseline count)
12 weeks	14.25%	15.41%	12.24%
24 weeks	19.23%	22.56%	13.63%
Non-vellus hair count
Baseline	152.3 ± 33.0	152.9 ± 32.7	150.7 ± 35.1	0.863
12 weeks	178.1 ± 38.0	180.9 ± 37.0	173.3 ± 41.1	0.603
24 weeks	188.1 ± 37.0	192.9 ± 37.6	179.7 ± 36.2	0.357
P value	0.001^a
Difference from baseline
12 weeks	26.0 ± 18.4	28.0 ± 20.2	22.5 ± 15.1	0.444
24 weeks	35.9 ± 15.6	39.9 ± 15.3	29.0 ± 14.2	0.063
Percentage increase = 100 × (([end count − baseline count]/baseline count)
12 weeks	17.07%	18.31%	14.93%
24 weeks	23.57%	26.10%	19.24%
Hair diameter [mean (SD)]
Baseline	58.5 ± 11.8	62.9 ± 9.6	50.9 ± 12.0	0.006
12 weeks	64.7 ± 15.2	70.2 ± 14.2	55.1 ± 12.1	0.006
24 weeks	67.4 ± 4.5	71.5 ± 14.3	60.2 ± 12.3	0.037
P value (12th week-baseline)	0.002^a
P value (24th week-baseline)	0.001^a
Difference from baseline
12 weeks	6.2 ± 9.8	7.3 ± 11.4	4.1 ± 6.4	0.402
24 weeks	8.9 ± 8.6	8.6 ± 10.4	9.3 ± 4.7	0.852
Percentage increase = 100 × ([end count − baseline count]/baseline count)
12 weeks	10.60%	11.61%	8.06%
24 weeks	15.21%	13.67%	18.27%

Values in table are presented as the mean ± SD unless indicated othewrise

^aRepeated measures analysis, least significant difference (LSD)

^bIndependent t test