CSF3 and congenital rubella syndrome: The median onset time of CRS in patients who used G-CSF and those who did not were on day 2.5 (IQR 1–5) and day 3 (IQR 0.5–6.5) after CAR T-cell infusion (P = 0.84), and the median duration were 5.5 days (IQR 4–8.75) and 3 days (IQR 1–5), respectively (P = 0.001) (Fig. 1).