Supplemental Table 1. Baseline demographic and clinical characteristics of participating women.
Patient variables
age, mean (SD), years 49.50 (10.24)
Obese, no. (%), BMI ≥30 424 (22.1)
Diabetes, no (%) 72 (3.8)
Smoker
- never, no. (%) 1286 (66.9)
- previous, no. (%) 590 (30.7)
- current, no. (%) 45 (2.3)
Pre-operative patient-reported outcome data
BREAST-Q satisfaction with breast, mean (SD), 0-100 62.79 (21.16) BREAST-Q psychosocial well-being, mean (SD), 0-100 71.37 (17.72) BREAST-Q physical well-being chest and upper body, mean (SD), 0-100 79.93 (14.45) BREAST-Q physical well-being abdomen, mean (SD), 0-100 90.04 (13.39)
BREAST-Q sexual well-being, mean (SD), 0-100 57.20 (19.43)
Clinical variables Radiation
- after reconstruction, no. (%) 418 (21.75)
- before reconstruction, no. (%) 182 (9.47)
- none, no. (%) 1321 (68.77)
Mastectomy
- nipple-sparing, no. (%) 268 (13.95)
- simple, no. (%) 1643 (85.55)
- other, no. (%) 10 (0.52)
Reconstruction technique
- tissue expander (TE), no. (%) 1156 (60.18)
- direct-to-implant (DTI), no. (%) 90 (4.69)
- transverse rectus abdominis (TRAM) flap, no. (%) 123 (6.4) - deep inferior epigastric perforator (DIEP) flap, no. (%) 310 (16.1)
- latissimus dorsi (LD) flap, no. (%) 40 (2.08)
- gluteal artery perforator (GAP) flap, no. (%) 9 (0.47) - superficial inferior epigastric artery (SIEA) flap, no. (%) 55 (2.86)
- crossover flap, no. (%) 76 (3.96)
- mixed flaps, no. (%) 45 (2.34)
- mixed implant and autologous, no. (%) 17 (0.88) Chemotherapy
- received, no. (%) 604 (31.44)
- not received, no. (%) 1317 (68.56)
Reconstruction laterality
- unilateral, no. (%) 845 (43.99)
- bilateral, no. (%) 1076 (56.01)
Mastectomy indication
- cancer, no. (%) 1693 (88.13)
- prophylactic, no. (%) 228 (11.87)
Axillary intervention
- axillary lymph node dissection (ALND), no. (%) 532 (27.69)
- sentinel lymph node biopsy (SLNB), no. (%) 929 (48.36)
- none, no. (%) 460 (23.95)
Socioeconomic and ethnic data Marital status
- single, no. (%) 156 (8.12)
- living with significant other, no. (%) 93 (4.84)
- married, no. (%) 1441 (75.01)
- separated, no. (%) 37 (1.93)
- divorced, no. (%) 153 (7.96)
- widowed, no. (%) 41 (2.13)
Education level
- some high school, no. (%) 41 (2.13)
- high school degree, no. (%) 146 (7.6)
- some college/trade school, no. (%) 276 (14.37)
- college/trade school degree, no. (%) 789 (41.07)
- some masters/doctoral, no. (%) 85 (4.42)
- masters/doctoral degree, no. (%) 584 (30.40)
Working status
- unable to work, no. (%) 38 (1.98)
- unemployed, no. (%) 32 (1.67)
- student, no. (%) 15 (0.78)
- volunteer, no. (%) 12 (0.62)
- retired, no. (%) 170 (8.85(
- homemaker, no. (%) 226 (11.76)
- part time employed, no. (%) 257 (13.38)
- full time employed, no. (%) 1100 (57.26)
- other, no. (%) 71 (3.7)
Household income per year
- <25,000$, no. (%) 92 (4.79)
- 25,000$ to 49,999$, no. (%) 209 (10.88)
- 50,000$ to 74,999$, no. (%) 312 (16.24)
- 75,000$ to 99,999$, no. (%) 298 (15.51)
- >100,000$, no. (%) 1010 (52.58)
Ethnical background
- Caucasian, no. (%) 1740 (90.58)
- African American, no. (%) 87 (4.53)
- Asian, no. (%) 78 (4.06)
- American Indian, no. (%) 16 (0.83)
- Pacific Islander, no. (%) 0 (0)
