Fig. 4

Factors correlated with score improvements following BMAC injection. Scatter plots with fit or interpolation lines displaying overall improvement (%) of BMAC-injected knees (n = 26) at 12 months under (A) VAS scores as a function of number of treatments received, gender, and total injected amount (ml) and (B) KOOS and (C) WOMAC scores as a function of age (years), gender, and baseline OA grade. R, Pearson’s or Spearman’s correlation coefficient