Table 2.

Statistical analysis for Hyp content of SD rat skin

Group	3 Days, μg/mg	5 Days, μg/mg	7 Days, μg/mg	14 Days, μg/mg	21 Days, μg/mg	28 Days, μg/mg
Negative	4.21±0.60**	5.98±0.14**	6.13±0.11**	6.88±0.06**	7.54±0.10	7.35±0.16
Positive	5.81±0.33**	6.36±0.23**	6.89±0.81	7.48±0.05ΔΔ	7.42±0.10	7.35±0.12
Electrospun	5.80±0.24**,Δ	7.24±0.79ΔΔ	7.73±0.29ΔΔ	7.43±0.10ΔΔ	7.45±0.06	7.45±0.07

Notes: The Hyp content of skins in normal SD rats is 7.44±0.06 μg/mg.

^**P<0.01 compared with normal control.

^ΔP<0.05,

^ΔΔP<0.01 compared with negative control (N=9).

Abbreviations: SD, Sprague Dawley; Hyp, hydroxyproline.