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Table 1 Characteristics of patients with chronic ITP

From: The cytokine polymorphisms affecting Th1/Th2 increase the susceptibility to, and severity of, chronic ITP

No. of patients (female/male)

126

(92/34)

Age (years) at diagnosis, range (median)

2.4–82.3

(47.7)

Platelet count (×109/L) at diagnosis, range (median)

1.0–96.0

(20.0)

Mild thrombocytopenia, no. of cases (%)

28

(22.2)

Moderate thrombocytopenia, no. of cases (%)

28

(22.2)

Severe thrombocytopenia, no. of cases (%)

40

(31.7)

Very severe thrombocytopenia, no. of cases (%)

30

(23.8)

Minimum platelet count (×109⁄L), mean ± SD

18.8

±18.0

Bleeding tendency, no. of cases (%)

80

(63.5)

Severe bleeding tendency, no of cases (%)

3

(2.4)

Severe ITP, no. of cases (%)

24

(19.0)

Treatment, no. of cases (%)

98

(77.8)

Prednisolone, no. of cases (%)

82

(65.1)

Splenectomy, no. of cases (%)

19

(15.1)

Eradication of Helicobacter pylori, no. of cases (%)

43

(34.1)

  1. Mild thrombocytopenia: >50 × 109⁄L, moderate thrombocytopenia: 30 × 109–50 × 109⁄L, severe thrombocytopenia: 10 × 109–30 × 109⁄L, very severe thrombocytopenia: <10 × 109⁄L, minimum platelet count: minimum platelet count during clinical course, Severe ITP is defined by the presence of clinical significant bleeding symptoms at presentation sufficient to mandate treatment, ITP immune thrombocytopenia