Table 2 Detection rate and positive predictive rate of screening for breast cancer with mammography from 2009 to 2014

Total

3,759

100.0

126.3

741.2

3,953

100.0

135.9

910.0

4,696

100.0

139.8

967.5

5,324

100.0

159.7

1,084.6

5,676

100.0

172.4

1,195.8

6,493

100.0

182.1

1,367.9

CIS

833

22.2

28.0

164.3

872

22.1

30.0

200.7

1,049

22.3

31.2

216.1

1,248

23.4

37.4

254.2

1,272

22.4

38.6

268.0

1,509

23.2

42.3

317.9

Malignant N.

2,926

77.8

98.3

577.0

3,081

77.9

106.0

709.3

3,647

77.7

108.6

751.4

4,076

76.6

122.2

830.4

4,404

77.6

133.8

927.8

4,984

76.8

139.8

1,050.0

Age

40–49

Subotal

1,412

37.6

139.2

563.6

1,416

35.8

143.3

667.5

1,580

33.6

147.7

728.9

1,805

33.9

174.2

849.2

1,836

32.3

179.3

926.6

2,125

32.7

195.9

973.0

CIS

353

25.0

34.8

140.9

355

25.1

35.9

167.3

393

24.9

36.7

181.3

479

26.5

46.2

225.3

448

24.4

43.8

226.1

570

26.8

52.5

261.0

Malignant N.

1,059

75.0

104.4

422.7

1,061

74.9

107.4

500.1

1,187

75.1

111.0

547.6

1,326

73.5

128.0

623.8

1,388

75.6

135.6

700.5

1,555

73.2

143.3

712.0

50–59

Subotal

1,344

35.8

142.8

810.7

1,476

37.3

160.0

1,061.7

1,701

36.2

150.1

1,019.2

1,909

35.9

173.8

1,133.4

2,124

37.4

196.2

1,300.3

2,370

36.5

206.7

1,322.3

CIS

294

21.9

31.2

177.3

330

22.4

35.8

237.4

381

22.4

33.6

228.3

465

24.4

42.3

276.1

485

22.8

44.8

296.9

533

22.5

46.5

297.4

Malignant N.

1,050

78.1

111.6

633.4

1,146

77.6

124.2

824.3

1,320

77.6

116.5

790.9

1,444.

75.6

131.5

857.3

1,639

77.2

151.4

1,003.3

1,837

77.5

160.2

1,024.9

60–69

Subotal

728

19.4

113.1

1,064.0

744

18.8

120.9

1,246.4

1,003

21.4

143.6

1,422.9

1,098

20.6

153.3

1,447.2

1,091

19.2

156.5

1,440.5

1,371

21.1

172.5

1,531.9

CIS

142

19.5

22.1

207.5

142

19.1

23.1

237.9

212

21.1

30.4

300.8

222

20.2

31.0

292.6

223

20.4

32.0

294.4

286

20.9

36.0

319.6

Malignant N.

586

80.5

91.1

856.5

602

80.9

97.8

1,008.5

791

78.9

113.3

1,122.2

876

79.8

122.3

1,154.6

868

79.6

124.5

1,146.0

1,085

79.1

136.5

1,212.3

70

Subotal

275

7.3

72.8

1,228.6

317

8.0

82.9

1,347.3

412

8.8

89.9

1,316.4

512

9.6

105.9

1,506.4

625

11.0

128.0

1,670.6

627

9.7

116.4

1,495.1

CIS

44

16.0

11.6

196.6

45

14.2

11.8

191.3

63

15.3

13.7

201.3

82

16.0

17.0

241.3

116

18.6

23.8

310.1

120

19.1

22.3

286.1

Malignant N.

231

84.0

61.1

1,032.0

272

85.8

71.2

1,156.1

349

84.7

76.1

1,115.1

430

84.0

88.9

1,265.2

509

81.4

104.2

1,360.5

507

80.9

94.1

1,209.0

Results of screening

Suspected breast cancer

Subotal

1,252

33.3

–

20,035.2

1,290

32.6

–

23,959.9

1,439

30.6

–

25,751.6

1,624

30.5

-

30,915.7

1,655

29.2

-

34,754.3

1,803

27.8

-

37,862.2

CIS

225

18.0

–

3,600.6

230

17.8

–

4,271.9

271

18.8

–

4,849.7

307

18.9

-

5,844.3

289

17.5

-

6,068.9

310

17.2

-

6,509.9

Malignant N.

1,027

82.0

–

16,434.6

1,060

82.2

–

19,688.0

1,168

81.2

–

20,901.9

1,317

81.1

–

25,071.4

1,366

82.5

–

28,685.4

1,493

82.8

–

31,352.4

Deferred

Subotal

2,507

66.7

–

500.5

2,663

67.4

–

620.7

3,257

69.4

–

678.9

3,700

69.5

–

761.9

4,021

70.8

–

855.7

4,690

72.2

–

998.1

CIS

608

24.3

–

121.4

642

24.1

–

149.7

778

23.9

–

162.2

941

25.4

–

193.8

983

24.4

–

209.2

1,199

25.6

–

255.2

Malignant N.

1,899

75.7

–

379.1

2,021

75.9

–

471.1

2,479

76.1

–

516.7

2,759

74.6

–

568.2

3,038

75.6

–

646.5

3,491

74.4

–

742.9