Table 1 SC thickness, viable epidermis thickness and DEJ undulation determined for the temple, cheekbone and mandible.
Parameters | [20,30] | [31,40] | [41,50] | [51,60] | [61,70] | Test | |
|---|---|---|---|---|---|---|---|
Temple | |||||||
SC thickness (µm) | Mean (sd) | 13.2 (0.8) | 13.4 (0.8) | 13.4 (1.2) | 13.6 (0.9) | 14.2 (1.0) | p = 0.0039 (Kruskal Wallis) |
Mult. comp | a | ab | ab | ab | b | ||
Viable epidermis thickness (µm) | Mean (sd) | 54.6 (6.8) | 53.3 (4.6) | 51.4 (3.9) | 53.0 (4.9) | 52.1 (4.8) | p = 0.42 (Kruskal Wallis) |
Mult. comp | – | – | – | – | – | ||
Undulation DEJ | Mean (sd) | 2.64 (2.04) | 2.31 (1.76) | 2.12 (1.88) | 2.42 (1.96) | 2.07 (1.26) | p = 0.92 (Kruskal Wallis) |
Mult. comp | – | – | – | – | – | ||
Cheekbone | |||||||
SC thickness (µm) | Mean (sd) | 12.1 (0.5) | 12.4 (0.5) | 12.5 (0.9) | 12.3 (0.6) | 12.5 (0.8) | p = 0.31 (Kruskal Wallis) |
Multi. Comp | – | – | – | – | – | ||
Viable epidermis thickness (µm) | Mean (sd) | 48.4 (6.5) | 49.0 (6.6) | 44.7 (7.8) | 46.8 (6.1) | 45.7 (7.4) | p = 0.26 (Kruskal Wallis) |
Mult. comp | – | – | – | – | – | ||
Undulation DEJ | Mean (sd) | 0.26 (0.39) | 0.46 (0.56) | 0.37(0.42) | 0.475 (0.457) | 0.48 (0.48) | p = 0.13 (Kruskal Wallis) |
Mult. Comp | – | – | – | – | – | ||
Mandible | |||||||
SC thickness(µm) | Mean (sd) | 13.1 (0.4) | 13.3 (1.0) | 13.4 (0.8) | 13.6 (0.8) | 13.9 (1.3) | p = 0.04 (Kruskal Wallis) |
Mult. comp | a | ab | ab | ab | b | ||
Viable epidermis thickness (µm) | Mean (sd) | 55.1 (7.2) | 57.5 (8.2) | 51.0 (4.6) | 50.5 (6.4) | 48.1 (5.3) | p = 0.0003 (Kruskal Wallis) |
Mult. comp | bc | c | ab | ab | a | ||
Undulation DEJ | Mean (sd) | 1.44 (1.66) | 1.19 (1.13) | 1.42 (1.52) | 1.44 (1.04) | 1.08 (0.84) | p = 0.92 (Kruskal Wallis) |
Mult. Comp | – | – | – | – | – | ||