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Table 5 Waiting time audit and estimated waiting time

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

Auditing waiting time

Yes

80% (16/21)

[60.8–99.2]

68.1% (81/119)

[59.6–76.6]

0.282

Average waiting time breast MRI

< 1 week

0% (0/21)

[0–0]

16.8% (21/119)

[10–23.6]

0.048

1–2 weeks

5% (1/21)

[5.5–15.5]

44.6% (53/119)

[35.5–53.6]

0.001

2–3 weeks

25% (5/21)

[4.2–75.8]

25.2% (30/119)

[17.3–33.1]

0.984

> 3 weeks

55% (11/21)

[31.1–78.9]

12.6% (15/119)

[6.5–18.7]

< 0.0001

Unsure

15% (3/21)

[2.1–32.1]

0.8% (1/119)

[0.8–2.5]

< 0.0001

Waiting time breast MRI opinion

Adequate

68.4% (13/19)

[45.4–91.4]

72 % (85/118)

[63.8–80.2]

0.746

Too long

31.6% (6/19)

[8.6–54.6]

28 % (33/118)

[19.7–36.2]

0.746

Average waiting time preoperative breast MRI

< 1 week

5% (1/21)

[5.5–15.5]

40.3% (48/119)

[31.4–49.3]

0.002

1–2 weeks

40% (8/21)

[16.5–63.5]

52.1% (62/119)

[43–61.2]

0.317

2–3 weeks

30% (6/21)

[8–52]

6.7% (8/119)

[2.2–11.3]

0.001

> 3 weeks

10% (2/21)

[4.4–24.4]

0% (0/119)

[0–0]

0.001

Unsure

15% (3/21)

[2.1–32.1]

0.9% (1/119)

[0.8–2.5]

< 0.0001

Waiting time preoperative breast MRI opinion

Adequate

85% (17/21)

[67.8–102.1]

81.5% (97/119)

[74.4–88.6]

1.000

Too long

15% (3/21)

[2.1–32.1]

18.5% (22/119)

[11.4–25.6]

1.000

  1. Note—Data in parentheses are ratio