Table 7. Comparison of the P16 expression levels among the treatment group, the model control group and the young control group after mUCMSC treatment (n=9).

P16 expression level	Therapy group			Model control group a			Youth control group bc
Number	1	2	3	1	2	3	1	2	3
Histochemical score (H-SCORE)	39.38	19.29	13.46	34.07	63.50	9.66	8.45	12.48	4.44

Note: a is p>0.05 compared with the treatment group; b is p>0.05 compared with the treatment group; c is p>0.05 compared with the model control group.