Québec | France | p value χ2 test | |||
---|---|---|---|---|---|
Proportions | 95% CI | Proportions | 95% CI | ||
Pathology (i.e., invasive vs. DCIS) | 78.3% (18/23) | [60–96.5] | 87.2% (109/125) | [81.3–93.1] | 0.259 |
Patient age | 52.2% (12/23) | [30.1–74.3] | 62.4% (78/125) | [53.8–71.0] | 0.356 |
Breast density | 47.8% (11/23) | [25.7–69.9] | 46.4% (58/125) | [37.5–55.3] | 0.900 |
Surgeon’s preference | 47.8% (11/23) | [25.7–69.9] | 21.8% (26/125) | [13.6–28.0] | 0.006 |
MRI availability | 13 % (3/23) | [1.85–27.9] | 4.8% (6/125) | [1–8.6] | 0.128 |
Other | 13 % (3/23) | [1.85–28] | 22.6% (27/125) | [14.3–28.9] | 0.348 |