Table 7.

Difference in the average of alkaline phosphase activity between days for all groups in 3D culture

Observation interval	Comparing with	Differentiating medium
		Mean difference ± SD	p value
Day 0	Day 7	0.0145 ± 0.0012	0.001*
Day 7	Day 14	0.0686 ± 0.0001	0.03
Day 14	Day 21	0.0849 ± 0.005	0.001*
Day 21	Day 0	0.108 ± 0.001	0.000*

n = 5, *p < 0.01