Table 3 Sensitivity of digital breast tomosynthesis and digital mammography in all quintiles
Quintile | Sensitivity DBT % (n) (95% CI) | Sensitivity DM % (n) (95% CI) | Difference DBT vs DM percentage points (95% CI) | p Value |
|---|---|---|---|---|
PD 1 | 90.9% (20/22) (72.2–97.5) | 72.7% (16/22) (51.8–86.8) | 18.2 ( − 4.6–41.0) | 0.13 |
PD 2 | 82.1% (23/28) (64.4–92.1) | 64.3% (18/28) (45.8–79.3) | 17.8 ( − 5.4–41.0) | 0.13 |
PD 3 | 72.5% (29/40) (57.2–83.9) | 62.5% (25/40) (47.0–75.8) | 10.0 ( − 10.5–30.5) | 0.42 |
PD 4 | 83.9% (26/31) (67.4–92.9) | 64.5% (20/31) (46.9–78.9) | 19.4 ( − 2.4–41.2) | 0.11 |
PD 5 | 81.1% (30/37) (65.8–90.5) | 43.2% (16/37) (28.7–59.1) | 37.9 (15.8–60.0) | < 0.001 |
Overall | 81.0% (128/158) (74.2–86.4) | 60.1% (95/158) (52.3–67.4) | 20.9 (10.8–30.9) | < 0.001 |
DA 1 | 85.7% (18/21) (65.4–95.0) | 81.0% (17/21) (60.0–92.3) | 4.8 ( − 17.8–27.3) | > 0.99 |
DA 2 | 82.1% (23/28) (64.4–92.1) | 75.0% (21/28) (56.6–87.3) | 7.1 ( − 14.4–28.6) | 0.69 |
DA 3 | 80.0% (24/30) (62.7–90.5) | 60.0% (18/30) (42.3–75.4) | 20.0 ( − 3.2–43.2) | 0.11 |
DA 4 | 76.7% (33/43) (62.3–86.8) | 51.2% (22/43) (36.8–65.4) | 25.6 (5.3–45.9) | 0.003 |
DA 5 | 83.3% (30/36) (68.1–92.1) | 47.2% (17/36) (32.0–63.0) | 36.1 (14.1–58.1) | 0.002 |
Overall | 81.0% (128/158) (74.2–86.4) | 60.1% (95/158) (52.3–67.4) | 20.9 (10.8–30.9) | < 0.001 |