Table 2.

Relative abundances of each quantified collagen type in the control and advanced AD groups. Values were presented as mean ± standard deviation for each group

Collagen type	Control (%)	AD (%)
I	43.52 ± 16.42	54.14 ± 17.38
II	0.26 ± 0.08	0.33 ± 0.17
III	26.98 ± 4.43	24.10 ± 4.35
IV	23.11 ± 10.47	16.32 ± 15.59
V	0.07 ± 0.01	0.10 ± 0.03*
VI	4.52 ± 1.77	3.51 ± 3.02
VIII	0.76 ± 0.30	0.81 ± 0.58
XII	0.01 ± 0.00	0.02 ± 0.02
XIV	0.20 ± 0.10	0.10 ± 0.09
XVI	0.22 ± 0.05	0.24 ± 0.15
XVIII	0.30 ± 0.14	0.30 ± 0.26
XXI	0.03 ± 0.01	0.04 ± 0.03

^*p < 0.05