Skip to main content

Table 3 Breast MRI examinations

From: Utilization of breast MRI and breast MRI-guided biopsy in clinical practice: results of a survey in Québec and France

  Québec France p value
χ2 test
  Proportions 95% CI Proportions 95% CI
Number of examinations per week
None 37.8% (14/37) [22.4–54.2] 2.3% (3/128) [0.3–5] < 0.0001
1–10 46% (17/37) [29.1–62.8] 47.7% (61/128) [38.9–56.4] 0.854
10–19 2.7% (1/37) [2.8–8.2] 27.3% (35/128) [19.5–35.2] 0.001
21–29 5.4% (2/37) [2.2–13.1] 10.2% (13/128) [4.8–15.5] 0.376
≥ 30 8.1% (3/37) [1.1–17.3] 12.5% (16/128) [6.7–18.3] 0.461
Number of preoperative examinations
0–24% 61.9% (13/22) [39.2–84.6] 41% (50/122) [32.1–49.8] 0.096
25–49% 19% (4/22) [0.7–37.4] 36.9% (45/122) [28.2–45.6] 0.139
50–74% 4.8% (1/22) [5.2–14.7] 13.1% (16/122) [7.0–19.2] 0.468
≥ 75% 4.8% (1/22) [5.2–14.7] 4.1% (5/122) [7.0–19.2] 1.000
Unsure 9.5% (2/22) [4.2–23.2] 4.9% (6/122) [1.0–8.8] 0.396
  1. Note—Data in parentheses are ratio