Table 2. Proliferation of BMSCs from aged and young macaques by the CCK-8 assay.

	n	Aged group	Young group	P-value
Day 1	3	0.65 ± 0.02*	0.80 ± 0.09	0.004
Day 2	3	0.78 ± 0.06*	1.70 ± 0.15	<0.001
Day 3	3	0.87 ± 0.07*	2.10 ± 0.22	<0.001
Day 4	3	0.91 ± 0.12*	2.23 ± 0.10	<0.001
Day 5	3	1.10 ± 0.13*	2.53 ± 0.10	<0.001
Day 6	3	1.28 ± 0.08*	2.72 ± 0.07	<0.001
Day 7	3	1.17 ± 0.12*	2.60 ± 0.17	<0.001

Note: *Compared with the young group, P < 0.01.