Table 1.

Patients' characteristics and distribution of PIK3CA mutations

VariablePatients (n = 217)Patients with PIK3CA mutations in the category
Sex
 Male86 (40)11 (13)
 Female131 (60)14 (11)
Age, y
 <5066 (30)8 (12)
 50–70127 (59)17 (13)
 >7024 (11)0 (0)
Ethnicity
 Caucasian176 (81)17 (10)
 African American19 (9)4 (21)
 Hispanic12 (6)1 (8)
 Asian10 (4)3 (30)
Tumor type
 Colorectal54 (25)9 (17)
 Ovarian30 (14)5 (17)
 Melanoma18 (8)0 (0)
 Breast14 (6)2 (14)
 Endometrial14 (6)3 (21)
 Cervix15 (7)2 (13)
 Soft tissue sarcomas8 (4)0 (0)
 Non–small cell lung cancer7 (3)1 (14)
 Small-cell lung cancer2 (<1)0 (0)
 Head and neck: squamous11 (5)1 (9)
 Head and neck: adenoid cystic3 (1)0 (0)
 Renal4 (2)0 (0)
 Parotid4 (2)0 (0)
 Thymoma3 (1)0 (0)
 Pancreatic3 (1)1 (33)
 Neuroendocrine3 (1)0 (0)
 Vulvar: squamous2 (<1)0 (0)
 Adrenocortical2 (<1)0 (0)
 Small intestine1 (<1)1 (100)
 Other cancers19 (9)0 (0)

NOTE: All values are given as n (%).