Table 1. Clinical and Demographic Characteristics of Patients by Procedure Type.
| Characteristic | No./Total No. (%) | P Value | |
|---|---|---|---|
| Implant-Based Reconstruction (n = 1490)a |
Autologous Reconstruction (n = 523)a |
||
| Age, mean (SD), y | 48.1 (10.5) | 51.6 (8.7) | <.001 |
| Body mass index, mean (SD)b | 25.4 (5.1) | 29.0 (5.6) | <.001 |
| Laterality of reconstruction, No. (%) | |||
| Unilateral | 559 (37.5) | 313 (59.8) | <.001 |
| Bilateral | 931 (62.5) | 210 (40.2) | |
| Indication, No. (%) | |||
| Therapeutic | 1317 (88.4) | 467 (89.3) | .58 |
| Prophylactic | 173 (11.6) | 56 (10.7) | |
| Lymph node management, No. (%) | |||
| None | 306 (20.5) | 141 (27.0) | <.001 |
| Sentinel lymph node biopsy | 744 (49.9) | 281 (53.7) | |
| Axillary lymph node dissection | 440 (29.5) | 101 (19.3) | |
| Mastectomy type, No. (%) | |||
| Nipple sparing | 267 (17.9) | 15 (2.9) | <.001 |
| Simple or modified radical | 1212 (81.3) | 508 (97.1) | |
| Mixed | 11 (0.7) | 0 | |
| Diabetes, No. (%) | |||
| Yes | 38 (2.6) | 34 (6.5) | <.001 |
| No | 1452 (97.4) | 489 (93.5) | |
| Smoking status | |||
| Never smoker | 1005/1473 (68.2) | 304/521 (58.3) | <.001 |
| Previous smoker | 437/1473 (29.7) | 200/521 (38.4) | |
| Current smoker | 31/1473 (2.1) | 17/521 (3.3) | |
| Radiotherapy, No. (%) | |||
| Before reconstruction | 74 (5.0) | 90 (17.2) | <.001 |
| During or after reconstruction | 277 (18.6) | 118 (22.6) | |
| None | 1139 (76.4) | 315 (60.2) | |
| Chemotherapy, No. (%) | |||
| During or after reconstruction | 470 (31.5) | 168 (32.1) | .81 |
| None | 1020 (68.5) | 355 (67.9) | |
| Race | |||
| White | 1303/1477 (88.2) | 449/517 (86.8) | .10 |
| Black | 96/1477 (6.5) | 28/517 (5.4) | |
| Other | 78/1477 (5.3) | 40/517 (7.7) | |
| Ethnicity | |||
| Hispanic or Latina | 86/1464 (5.9) | 21/512 (4.1) | .13 |
| Non-Hispanic or Latina | 1378/1464 (94.1) | 491/512 (95.9) | |
| Educational level | |||
| High school or less | 107/1485 (7.2) | 84/520 (16.2) | <.001 |
| Some college | 203/1485 (13.7) | 111/520 (21.3) | |
| College degree | 650/1485 (43.8) | 233/520 (44.8) | |
| Masters or doctoral degree | 525/1485 (35.4) | 92/520 (17.7) | |
| Income, $ | |||
| <50 000 | 197/1445 (13.6) | 119/507 (23.5) | <.001 |
| 50 000-99 999 | 428/1445 (29.6) | 208/507 (41.0) | |
| ≥100 000 | 820/1445 (56.7) | 180/507 (35.5) | |
| Marital status | |||
| Married or partnered | 1165/1478 (78.8) | 417/522 (79.9) | .61 |
| Not married or partnered | 313/1478 (21.2) | 105/522 (20.1) | |
| Employment status | |||
| Full-time (including student) | 851/1473 (57.8) | 311/515 (60.4) | .45 |
| Part-time | 200/1473 (13.6) | 60/515 (11.7) | |
| Unemployed | 422/1473 (28.6) | 144/515 (28.0) | |
a
The cell values may not total to the overall cohort size owing to missing data.
b
Calculated as weight in kilograms divided by height in meters squared.