Small intestinal angiosarcoma on clinical presentation, diagnosis, management and prognosis: A case report and review of the literature

Table 1 The basic clinicopathological factors of 82 collected cases

Characteristics	Number of patients	%
Gender
Male	55	67.07
Female	27	32.93
Age
≤ 65	34	41.46
> 65	47	57.32
NA	1	1.22
Race
North America	35	42.68
European	17	20.73
Asia	26	31.71
other	4	4.88
Year
≤ 2000	20	24.39
> 2010	62	75.61
Tumor origin
Primary	62	75.61
Secondary	14	17.07
NA	6	7.32
Radiation history
With	21	25.61
Without	61	74.39

NA: Not available.