Mean age at initial diagnosis of ITP Female patients
(n=156)
Male patients
(n=69)
45.2 ± 24.7 years (range, 18-82) 47.8 ± 21.4 years (range, 15-71)
Presentation of ITP:
Thrombocytopenia revealed by routine full blood count 82 (52.5%) 35 (50.7%)
Thrombocytopenia revealed by a bleeding diathesis 74 (47.5%) 34 (49.3%)
Mean bleeding score from Khellaf et al. [11] 13 ±6.3*(range, 3-32) 8.4 ± 4.1*(range, 3-17)
Mean platelet count 44.5 ± 19 × 109/l (range, 1-131) 38.4 ± 14 × 109/l (range, 1-118)
Presence of a potential life-threatening platelet count (platelet count <10 × 109/l) 28 (17.9%)   11 (15.9%)
Mean hemoglobin level 12 g/dl(range, 8.2-13.6) 12.6 g/dl
(range, 9.1-14.7)
Presence of anemia (hemoglobin level <12 g/dl) 11 (7%)* 3 (4.3%)*
Detection of antinuclear antibodies and/or antiphospholipid antibodies (n=140)   22 (64.7%)*   12 (35.3%)*
*: statistically significant difference.
Table 1: Gender-related analysis of clinical and biological presentations in 225 patients with idiopathic thrombocytopenic purpura (ITP).