Table 2.

Comparison of epidermal and dermal thickness at different facial sites

Facial region	Male (n = 49)	Female (n = 69)	t	P value
Epidermis (mm)
Forehead	0.22 ± 0.03	0.20 ± 0.03	3.356	0.001
Glabella	0.21 ± 0.03	0.19 ± 0.02	2.961	0.004
Temple	0.19 ± 0.02	0.18 ± 0.02	2.476	0.015
Eyelid	0.18 ± 0.03	0.17 ± 0.02	3.156	0.002
Nasal dorsum	0.20 ± 0.03	0.19 ± 0.02	2.356	0.020
Zygoma	0.19 ± 0.03	0.20 ± 0.18	− 0.322	0.748
Submandibular	0.21 ± 0.09	0.18 ± 0.03	2.220	0.028
Neck	0.19 ± 0.03	0.17 ± 0.03	3.926	< 0.001
Dermis (mm)
Forehead	1.17 ± 0.28	0.86 ± 0.16	7.515	< 0.001
Glabella	1.14 ± 0.30	0.90 ± 0.23	4.972	< 0.001
Temple	1.06 ± 0.20	0.80 ± 0.19	7.272	< 0.001
Eyelid	0.67 ± 0.14	0.58 ± 0.11	4.192	< 0.001
Nasal dorsum	1.03 ± 0.16	0.93 ± 0.25	2.604	0.010
Zygoma	1.14 ± 0.21	0.87 ± 0.35	4.938	< 0.001
Submandibular	1.02 ± 0.24	0.91 ± 0.34	1.990	0.049
Neck	0.98 ± 0.22	0.99 ± 0.20	− 0.117	0.907