Platelet-Rich Plasma and Adipose-Derived Mesenchymal Stem Cells in Association with Arthroscopic Microfracture of Knee Articular Cartilage Defects: A Pilot Randomized Controlled Trial

Table 3

Histologic features of the bioptic samples according to ICRS Visual Histological Assessment Scale (group A: PRP; group B: PRP + AD-MSC).

	Group A		Group B
Surface	3	3	3	3
Matrix	2	1	3	3
Cell distribution	1	2	2	3
Cell population viability	1	1	3	3
Subchondral bone	2	2	3	2
Cartilage mineralization	0	0	3	3