Breast reconstruction after mastectomy at a comprehensive cancer center

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Table 1 Sociodemographic and clinical factors of women treated with mastectomy for breast cancer at the Siteman Cancer Center from 2000 to 2012

Variable	Mean	SD	N
Sociodemographics
Age at diagnosis	55	13	4154

	Frequency	%	N
Race
African American	822	20	4154
Caucasian	3332	80
Age (years)
<55	2018	49	4154
≥55	2136	51
Type of insurance
Private^a	1975	58	3429
Public^b	1454	42
Clinical factors
Tumor stage
Stage 0/DCIS–2	3019	81	3709
Stage 3–4	690	19
Tumor grade
Grade 1–2	2314	59	3903
Grade 3–4	1589	41
ER status
Positive	2706	74	3633
Negative	927	26
PR status
Positive	2316	64	3619
Negative	1303	36
HER2 status
Positive	206	20	1016
Negative	810	79
Triple negative cancer
No	941	88	1069
Yes	128	12
Laterality of mastectomy
Bilateral	903	22	4146
Unilateral	3243	78
Type of definitive mastectomy
Total/simple	2148	52	4126
Modified radical	1636	40
Radical/extended modified radical	58	1
Skin/nipple-sparing	267	6
Mastectomy NOS	20	0.5
Received adjuvant chemotherapy
No	2233	54	4109
Yes	1876	46
Received adjuvant radiation
No	2854	69	4154
Yes	1300	31
Received adjuvant hormonal therapy
No	1894	47	4058
Yes	2164	53

DCIS ductal carcinoma in situ, ER estrogen receptor, PR progesterone receptor, HER2 human epidermal growth factor receptor 2, NOS not otherwise specified
^aPrivate insurance included: managed care, HMO, PPO, TRICARE, fee for service
^bPublic insurance included: Medicaid, Medicare, Veterans’ Affairs, Indian Health Service