Table 1 Demographics of the women screened

From: A real world evaluation of an innovative artificial intelligence tool for population-level breast cancer screening

Characteristic

Number screened

Triaged positive

Number followed up

Cancer detected

PPVa

Age

<30

878 [5.8%]

66 [7.5%]

39 [59.1%]

1

2.6%

30–40

6548 [43.5%]

210 [3.2%]

127 [60.5%]

5

3.9%

41–50

4374 [29.0%]

84 [1.9%]

43 [51.1%]

4

9.3%

51–60

2419 [16.1%]

46 [1.9%]

27 [56.7%]

6

22.2%

61–70

729 [4.8%]

43 [5.9%]

29 [67.4%]

10

34.4%

>71

121 [0.8%]

11 [9.1%]

3 [27.2%]

1

33.3%

Total

15,069

460 [3.1%]

268 [58.3%]

27

10.1%

Menopausal status

Pre –menopause

9732 [64.6%]

330 [3.4%]

195 [59.1%]

8

4.1%

Post –menopause

5337 [35.4%]

130 [2.4%]

73 [56.2%]

19

26.0%

Symptomatic status

Asymptomatic

10531 [69.9%]

108 [1.0%]

47 [43.5%]

2

4.3%

Symptomatic

Complaint of breast swelling

1557 [34.3%]

304 [19.5%]

192 [63.2%]

25

13.0%

Breast pain

2934 [64.7%]

123 [4.2%]

80 [65.0%]

9

11.3%

Nipple discharge

204 [4.5%]

19 [9.3%]

16 [84.2%]

0

–

Non-specific complaints

412 [9.1%]

29 [7.0%]

19 [65.5%]

0

–

Post-mastectomy asymptomatic

106 [2.3%]

0

0

0

–

Post-mastectomy: symptomatic

23 [0.5%]

1 [4.3%]

1 [100%]

1

100%

Post-lumpectomy: asymptomatic

149 [3.3%]

5 [3.4%]

0

0

–

Post-lumpectomy symptomatic

186 [4.1%]

17 [9.1%]

13 [76.5%]

2

15.4%

Symptomatic

4538 [30.1%]

352 [7.8%]

221 [62.8%]

25

11.3%

  1. aPPV: cancer detected in women who screened positive and who underwent imaging follow-up.