Table 1: The demographic characteristics of patients.

DiagnosisReactive thrombocytosisEssential thrombocythemia

2623
Age45.65 ± 15.7765.04 ± 15.360,000
Sex (F/M)16/1014/9>0.05

Reactive thrombocytosis:
Etiology of iron deficiency anemia
Menorrhagia ( , female)
Peptic ulcus ( , male)
Gastric resection ( , male)
Hemorrhoid ( , male)

Essential thrombocythemia: JAK2 V617F mutational statusNegative ( )Heterozygote mutant ( )