Table 2 Association of four-category background parenchymal uptake at molecular breast imaging with breast cancer
BPU level | Breast cancer casesa (n = 62) | Controlsa (n = 179) | ORb | p-trend | AUCb |
|---|---|---|---|---|---|
Reader 1 | 0.007 | 0.62 (0.55–0.69) | |||
Photopenic | 5 (8) | 26 (15) | 0.8 (0.3–2.3) | ||
Minimal to mild | 35 (56) | 124 (69) | 1.0 | ||
Moderate | 12 (19) | 12 (7) | 3.6 (1.4–8.9) | ||
Marked | 10 (16) | 17 (9) | 3.0 (1.1–8.4) | ||
Reader 2 | <0.001 | 0.63 (0.56–0.70) | |||
Photopenic | 2 (3) | 18 (10) | 0.5 (0.1–2.3) | ||
Minimal to mild | 36 (58) | 132 (74) | 1.0 | ||
Moderate | 13 (21) | 17 (9) | 3.9 (1.6–9.7) | ||
Marked | 11 (18) | 12 (7) | 6.2 (2.0–19.0) |