Fig. 4

Time from initiation of the treatment to fever resolution in the IVIG-after-IFX group. The black line represents the Kaplan-Meier plot of febrile duration until fever resolution following IVIG-after-IFX without the use of corticosteroids during the whole course of the treatment (n = 14) and the dotted line represents the use of corticosteroids (n = 13). The median fever resolution time was 0.75 days in the non-corticosteroids group and 2.0 days in the corticosteroids group. Although the curve appeared to indicate slower fever resolution in the corticosteroids group than in the non-corticosteroids group, there were no statistically significant differences (P = 0.323, HR = 0.76)