Table 1.

Baseline Characteristics of Patients Enrolled in MyChart Electronic Patient Portal

Characteristic	No.	%
Total patients	6,495
Age, years
Mean	60
SD	13
Sex
Male	2,091	32
Female	4,402	68
Race
White	3,256	47
Black	178	3
Asian	339	5
Other	41	1
Unknown	3,131	45
Cancer type
Breast	1,310	20
GI/GU	1,022	16
Hematologic	777	12
Upper aerodigestive	484	7
Other	2,139	33
Unknown	763	12

Abbreviations: GU, genitourinary; SD, standard deviation.