Median, minimum (min) and maximum (max) of the early and late evolution score are indicated per treatment: platelet-rich plasma (PRP), native mesenchymal stem cells (MSCs), combination (Comb) 1 (native MSCs and PRP) or Comb 2 (chondrogenic induced MSCs and PRP).

The “early” score indicates the average of the clinical evolution scores at 6 weeks and 12 weeks, whereas “late” indicates the average of the clinical evolution scores at 6 months and 12 months after treatment.