Table 2: Characteristics of children with newly diagnosed/persistent ITP vs children with chronic ITP on initial assessment.

n (%), median (range) Newly diagnosed/persistent ΙΤΡ (n = 39) chronic ΙΤΡ (n = 6) p value
Age (months) 54 (1.4, 180) 75 (36, 168) 0.28*
Sex (boys), 19 (48.72%) 5 (83.33%) 0.126**
WBC (c/μL) 10000 (4730, 18200) 8250 (2600, 16200) 0.5*
EO (c/μL)(%) 2.15 (0, 11) 4 (3, 8) 0.025*
PLT (c/μL) 7000 (200, 86000) 5500 (2000, 41000) 0.87*
PLT < 10000 c/μL 25/(64.1%) 4 (66.67%) 0.642**
Hgb (gr/dL) 12.4 (8.7, 15.1) 12.7 (10.6, 13) 0.76*
Hct (%) 37.2 (26.2, 46.9) 38.1 (31.9, 39.5) 0.77*
Mucosal bleeding 15 (38.5%) 4 (66.67%) 0. 195**
Vaccination 5 (12.8%) 1 (16.67%) 0,609**
Infection 23 (59%) 3 (50%) 0.476**
Spring season 14 (35.9%) 3 (50%) 0.407**

*Mann-Whitney U-test; **Fisher's exact test.