Table 2.

Demographic and clinical characteristics.

	ITP patients	Controls
No.	307	295
Age, mean ± SD	44.92 ± 14.02	47.61 ± 16.93
Sex (M/F)	117/190	134/161
ITP severity, n (%)
Severe ITP	137 (44.6)	N/A
Non-severe ITP	170 (55.4)	N/A
Treatment, n (%)
No use of corticosteroid	63 (20.5)	N/A
Corticosteroid-sensitive	107 (34.9)	N/A
Corticosteroid-resistant	137 (44.6)	N/A
Refractory ITP	27 (8.8)	N/A
Non-refractory ITP	280 (91.2)	N/A

F, female; ITP, immune thrombocytopenia; M, male; N/A, not applicable.