Skip to main content

Table 1 Distribution of breast cancer cases in women as a function of age and stage at diagnosis from 2000 to 2015 in São Paulo/Brazil

From: Downstaging in opportunistic breast cancer screening in Brazil: a temporal trend analysis

Group Age

/Stage

<  40

years

40–49 years

50–59 years

60–69 years

≥ 70

years

Total

n (%)

n (%)

n (%)

n (%)

n (%)

n (%)

Stage 0

477

2095

2183

1559

933

7247

(5.0)

(9.2)

(8.7)

(8.0)

(5.6)

(7.7)

Stage I

1297

4384

5642

4909

3715

19,947

(13.6)

(19.3)

(22.5)

(25.0)

(22.2)

(21.3)

Stage IIA

2008

5065

5638

4651

3960

21,322

(21.0)

(22.3)

(22.5)

(23.7)

(23.7)

(22.8)

Stage IIB

1594

3336

3346

2336

2110

12,722

(16.7)

(14.7)

(13.3)

(11.9)

(12.6)

(13.6)

Stage IIIA

1757

3241

2998

1935

1332

11,263

(18.4)

(14.3)

(12.0)

(9.9)

(8.0)

(12.0)

Stage IIIB

1419

2878

3227

2530

2914

12,968

(14.9)

(12.7)

(12.9)

(12.9)

(17.4)

(13.8)

Stage IV

994

1709

2057

1687

1758

8205

(10.4)

(7.5)

(8.2)

(8.6)

(10.5)

(8.8)

Total

9546

22,708

25,091

19,607

16,722

93,674

(100.0)

(100.0)

(100.0)

(100.0)

(100.0)

(100.0)