SELPLG and autoimmune polyendocrinopathy: On day 7, F% of PSGL-1 in the APS group was significantly higher than that in the CTX group (P < 0.001); however, no significant difference in F% was observed between the G-CSF and CTX groups before day 14 (P = 0.415 on day 4, P = 0.802 on day 7, P = 0.889 on day 10).