did not reach statistical significancep = 0.0787
Titration of Tregs suggested that the suppressive capacity of P3-enriched Tregs was lower than that of P2 at the lower Treg/Tcon ratio of 1:8; however, the differences between P2 and P3 did not reach statistical significance ( p = 0.0787 [paired t test] at a 1:8 ratio, Fig. 5G ).