TABLE 4.

Proportion of patients in the TIKI trial with bleeding events during 1‐year follow‐up, stratified by the Childhood ITP Recovery Score at the diagnosis

	Low chance of recovery N = 28	Intermediate chance of recovery N = 45	High chance of recovery N = 121
At least extensive petechiae and/or large bruises (Buchanan score > 1)
Week 1	0.75 ± 0.08	0.87 ± 0.05	0.62 ± 0.05
Month 1	0.79 ± 0.08	0.58 ± 0.07	0.41 ± 0.05
Month 3	0.75 ± 0.08	0.42 ± 0.08	0.29 ± 0.04
Month 6	0.69 ± 0.09	0.51 ± 0.08	0.33 ± 0.05
Month 12	0.45 ± 0.11	0.20 ± 0.06	0.15 ± 0.04
At least mucosal bleeding (Buchanan score > 2)
Week 1	0.43 ± 0.09	0.49 ± 0.07	0.33 ± 0.04
Month 1	0.50 ± 0.09	0.18 ± 0.06	0.22 ± 0.04
Month 3	0.36 ± 0.09	0.19 ± 0.06	0.10 ± 0.03
Month 6	0.27 ± 0.09	0.10 ± 0.05	0.08 ± 0.03
Month 12	0.14 ± 0.07	0.08 ± 0.04	0.04 ± 0.09

Observed proportion of patients ± standard error. Data are the proportion of patients experiencing the indicated modified Buchanan score at the indicated follow‐up timepoint.

Abbreviations: ITP, immune thrombocytopenia; TIKI, Treatment With or Without Intravenous Immunoglobulins in Kids with ITP.