Table 1: Water-absorption ratio, pority ratio, and mechanical strength of the PLGA/β-TCP scaffolds and the core-sheath structure composite scaffolds.

MaterialWater-absorption ratio (%)Parity ratio (%)Compressive strength (Mpa)Young’s modulus (Mpa)

PLGA/β-TCP 2 . 8 ± 0 . 2 8 8 . 1 ± 1 . 2 0 . 6 8 ± 0 . 0 4 1 7 . 9 1 ± 2 . 1 2
core-sheath 1 6 . 1 ± 0 . 3 * 8 6 . 7 ± 3 . 6 0 . 7 0 ± 0 . 0 7 1 8 . 1 6 ± 3 . 2 1

*Significantly different compared with the PLGA/β-TCP scaffolds ( 𝑛 = 3 , 𝑃 < 0 . 0 1 ).