Table 2. Surgical treatment by categorization according to insurance system policy change.
| Surgical treatment | “Uninsured” group (n = 625) | “Insured” group (n = 325) | P value | |
|---|---|---|---|---|
| Type of mastectomy | < 0.001 | |||
| NSM | 234 (37.4) | 58 (17.9) | ||
| SSM | 391 (62.6) | 267 (82.2) | ||
| Axillary surgery | 0.086 | |||
| SLNB | 430 (69.7) | 247 (76.0) | ||
| ALND | 184 (29.8) | 78 (24.0) | ||
| Unknown | 3 (0.5) | 5 (1.5) | ||
| Type of IBR | 0.005 | |||
| TEI or implant insertion | 453 (72.5) | 261 (80.3) | ||
| DIEP | 152 (24.3) | 63 (19.4) | ||
| ELD | 5 (0.8) | 0 (0) | ||
| Others | 15 (2.4) | 1 (0.3) | ||
| Prophylactic contralateral mastectomy | 8 (1.3) | 8 (2.5) | ||
Values are presented as number (%).
NSM = nipple-sparing mastectomy, SSM = skin-sparing mastectomy, SLNB = sentinel lymph node biopsy, ALND = axillary lymph node dissection, IBR = immediate breast reconstruction, TEI = tissue expander insertion, DIEP = deep inferior epigastric perforator flap, ELD = extended latissimus dorsi flap.