| Characteristics | No(%) | P value |
| Gender: Males Females | 22(46.1%) 25(53.9%) | 0.989 |
| Median age(years) | 6.5(Range:0.5-14) | |
| Febrile illness (1-2wks) before diagnosis | 15(31.9%) | |
| History of previous vaccination | None | |
| Epistaxis | 41 (87.2%) | |
| Hematemesis | 11(23.4% | |
| Gum bleeding | 10(21.3%) | |
| Gross hematuria | 4(19.1%)S | |
| Melena | 6(12.8%) | |
| Subconjunctival hemorrhage | 2(4.3%) | |
| Clinical signs: Petechiae Ecchymosis Hematomas | 14(29.8%) 22(46.8%) 4(8.5%) | |
| Organomegaly/lymphadenopathy | None/none | |
| Mean Hemoglobin(Grams/L) | 120±38.0 | |
| Mean leukocyte count(x109/l) | 6.5 ± 2.8x109 | |
| Mean platelet count (x109/l) | ( 13.93 ± 1.74)(range 1.0-98 ) |