Clinicohematological Study of Thrombocytosis in Children

Table 2

Etiology of thrombocytosis.

	𝑛=1000	Percent
(I) Primary thrombocytosis (𝑛=2)
(a) CML	1	0.1%
(b) AML-M7	1	0.1%
(II) Secondary (reactive) thrombocytosis (𝑛=998)
(a) Infection and anemia	483	48.3%
(b) Infection alone	162	16.2%
(c) Iron deficiency alone	172	17.2%
(d) Hematological causes	35	3.5%
(e) Medications	23	2.3%
(f) Rebound	19	1.9%
(g) Kawasaki disease	7	0.7%
(h) Idiopathic	97	9.7%