Table 4.

OCN production of osteogenic rMSCs on β-TCP/PLLA composite with different pore size (β-TCP/PLLA = 2:1, porosity =70%) (x̅ ± s, n = 8)

Groups	OCN (ng/ml) 7 d	OCN (ng/ml) 14 d
d=200-450 µm	3.3 ± 0.29	7.6 ± 0.32
d=450-900 µm	3.1 ± 0.16	6.6 ± 0.30*

^*P < 0.05 vs d = 200-450 µm.