Table 4.
Patient and procedure volume in 13-month follow-up (projected)a
| Procedure | Counts | % |
|---|---|---|
| Any diagnostic procedure | ||
| Number of patients (n, %) | 12,394,432 | 100.0 |
| Number of procedures performed (n) | 18,903,337 | |
| Pre-index screening mammography (n, %) | 10,543,647 | 85.1 |
| Diagnostic mammography | ||
| Number of patients (n, %) | 6,603,297 | 53.3 |
| Number of procedures performed (n) | 8,732,910 | |
| Tomosynthesis | ||
| Number of patients (n, %) | 145,423 | 1.2 |
| Number of procedures performed (n) | 152,504 | |
| Ultrasound | ||
| Number of patients (n, %) | 5,253,354 | 42.4 |
| Number of procedures performed (n) | 6,987,399 | |
| Molecular breast imaging | ||
| Number of patients (n, %) | 13,796 | 0.1 |
| Number of procedures performed (n) | 14,251 | |
| Magnetic resonance imaging | ||
| Number of patients (n, %) | 615,738 | 5.0 |
| Number of procedures performed (n) | 700,330 | |
| Biopsy | ||
| Number of patients (n, %) | 1,277,844 | 10.3 |
| Number of procedures performed (n) | 1,585,856 | |
| Surgical biopsy | ||
| Ultrasound-guided localization | ||
| Number of patients (n, %) | 279,323 | 2.3 |
| Number of procedures performed (n) | 311,426 | |
| Other surgical | ||
| Number of patients (n, %) | 33,644 | 0.3 |
| Number of procedures performed (n) | 34,524 | |
| FNA biopsy | ||
| Ultrasound-guided FNA | ||
| Number of patients (n, %) | 83,766 | 0.7 |
| Number of procedures performed (n) | 87,163 | |
| Other FNA | ||
| Number of patients (n, %) | 25,027 | 0.2 |
| Number of procedures performed (n) | 26,103 | |
| Core biopsy | ||
| Ultrasound-guided core | ||
| Number of patients (n, %) | 949,118 | 7.7 |
| Number of procedures performed (n) | 1,007,417 |
Notes:
a
Table S2 provides reference figures for the 2015 US Census estimates of all adult women and health care coverages.
Abbreviation: FNA, fine needle aspiration.