[Retracted] Value of 3D Printed PLGA Scaffolds for Cartilage Defects in Terms of Repair

Table 4

Histological score statistics.

Group/time	3 days	14 days	21 days	28 days	35 days
Blank group	7.3 ± 1.4	7.6 ± 1.7	8.2 ± 1.2	8.3 ± 1.5	8.5 ± 2.4
Experimental group	7.3 ± 2.1	8.6 ± 2.2	8.6 ± 2.4	9.1 ± 1.1	10.6 ± 2.1

Statistically significant difference.