1Department of Preventive Medicine, Hanyang University College of Medicine, Seoul, Korea
2Institute for Health and Society, Hanyang University, Seoul, Korea
3Department of Surgery, Hanyang University College of Medicine, Seoul, Korea
4Hanyang Institute of Bioscience and Biotechnology, Hanyang University, Seoul, Korea
Copyright © 2024 by the Korean Cancer Association
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Variable | Breast cancer cases (n=100,050) |
---|---|
Age at diagnosis (yr), mean±SD | 51.5±11.0 |
Age group (yr) | |
30-39 | 11,876 (11.9) |
40-49 | 37,250 (37.2) |
50-59 | 28,655 (28.6) |
60-69 | 22,269 (22.3) |
≥ 70 | 8,001 (8.0) |
Income level | |
Medical Aid and Rank 1-5 | 22,312 (22.3) |
Rank 6-10 | 19,527 (19.5) |
Rank 11-15 | 24,467 (24.5) |
Rank 16-20 (highest) | 32,372 (32.4) |
Missing | 1,372 (1.4) |
Place of residence | |
Non-metropolitan | 25,600 (25.6) |
Metropolitan | 74,450 (74.4) |
Breast cancer type | |
IBC | 84,094 (84.1) |
DCIS | 15,956 (16.0) |
Diagnosis method | |
Non-screen-detected cases | 23,904 (23.9) |
Screen-detected cases | 76,146 (76.1) |
Screening type | Screened within 2 years postdiagnosis |
Screened within 5 years postdiagnosis |
|||||||
---|---|---|---|---|---|---|---|---|---|
Observed rate in selected years |
2009-2016 |
Observed rate in selected years |
2009-2015 |
||||||
2009 | 2015 | 2016 | APC (95% CI) (%) | p-value | 2009 | 2015 | APC (95% CI) (%) | p-value | |
Breast cancer screening | |||||||||
Age 40-49 | 10.3 | 14.0 | 13.6 | 5.6 (2.9 to 8.4) | 0.002 | 23.5 | 28.7 | 3.2 (0.3 to 6.1) | 0.037 |
Age 50-59 | 11.2 | 13.3 | 14.3 | 3.2 (1.6 to 4.7) | 0.002 | 26.6 | 29.8 | –0.3 (–3.5 to 3.0) | 0.798 |
Age 60-69 | 13.1 | 15.8 | 15.6 | 1.5 (–0.1 to 3.2) | 0.065 | 32.3 | 33.2 | –0.7 (–4.1 to 2.8) | 0.607 |
Age ≥ 70 | 10.3 | 13.8 | 11.9 | 1.9 (–1.2 to 5.2) | 0.180 | 24.4 | 25.9 | –0.5 (–2.7 to 1.9) | 0.637 |
General health checkup | |||||||||
Age 40-49 | 28.1 | 40.5 | 43.0 | 6.5 (4.8 to 8.2) | < 0.001 | 52.2 | 66.0 | 4.2 (3.4 to 5.0) | < 0.001 |
Age 50-59 | 31.9 | 41.0 | 42.1 | 4.3 (2.9 to 5.7) | < 0.001 | 56.7 | 67.6 | 3.0 (2.5 to 3.4) | < 0.001 |
Age 60-69 | 30.6 | 43.6 | 43.3 | 4.6 (2.8 to 6.4) | 0.001 | 54.1 | 68.4 | 4.0 (3.2 to 4.8) | < 0.001 |
Age ≥ 70 | 18.3 | 26.8 | 27.4 | 5.4 (3.3 to 7.4) | 0.001 | 32.9 | 46.3 | 4.7 (2.4 to 7.1) | 0.003 |
Gastric cancer screening | |||||||||
Age 40-49 | 23.6 | 37.0 | 37.6 | 7.3 (5.1 to 9.5) | < 0.001 | 46.6 | 61.4 | 7.7 (4.6 to 10.9) | 0.001 |
Age 50-59 | 27.6 | 36.7 | 37.3 | 4.8 (3.4 to 6.2) | < 0.001 | 52.6 | 62.2 | 5.0 (3.0 to 7.0) | 0.001 |
Age 60-69 | 27.1 | 41.2 | 39.3 | 4.6 (2.3 to 7.0) | 0.003 | 52.4 | 65.7 | 5.4 (2.3 to 8.6) | 0.006 |
Age ≥ 70 | 17.3 | 26.9 | 23.9 | 4.6 (1.7 to 7.6) | 0.008 | 33.4 | 42.8 | 6.5 (4.1 to 8.9) | 0.001 |
Colorectal cancer screening | |||||||||
Age 50-59 | 46.1 | 56.9 | 56.6 | 3.1 (2.6 to 3.6) | < 0.001 | 46.1 | 56.9 | 3.7 (3.1 to 4.2) | < 0.001 |
Age 60-69 | 48.6 | 61.4 | 60.4 | 3.3 (1.9 to 4.8) | 0.001 | 48.6 | 61.4 | 4.2 (2.7 to 5.6) | 0.001 |
Age ≥ 70 | 29.2 | 42.3 | 41.5 | 4.1 (2.5 to 5.8) | 0.001 | 29.2 | 42.3 | 4.9 (2.8 to 7.0) | 0.002 |
Cervical cancer screening | |||||||||
Age 30-39 | 14.0 | 38.1 | 36.7 | 11.0 (5.9 to 16.4) | 0.002 | 42.9 | 59.0 | 5.4 (4.6 to 6.3) | < 0.001 |
Age 40-49 | 23.5 | 38.6 | 40.0 | 8.3 (6.6 to 10.0) | < 0.001 | 46.8 | 62.7 | 5.2 (4.7 to 5.8) | < 0.001 |
Age 50-59 | 25.4 | 37.0 | 38.2 | 6.5 (5.5 to 7.4) | < 0.001 | 50.1 | 61.2 | 3.5 (3.0 to 4.0) | < 0.001 |
Age 60-69 | 23.9 | 36.4 | 37.6 | 6.1 (4.7 to 7.6) | < 0.001 | 43.9 | 59.0 | 4.6 (3.2 to 6.1) | < 0.001 |
Age ≥ 70 | 11.4 | 20.6 | 19.6 | 7.8 (5.0 to 10.5) | < 0.001 | 24.4 | 33.6 | 4.5 (2.5 to 6.4) | 0.002 |
Values are presented as number (%) unless otherwise indicated. Patient characteristics at breast cancer diagnosis. A higher income rank indicates a higher income level. DCIS, ductal carcinoma
Annual screening participation was defined as the presence of screening during the first 2 and 5 years after breast cancer diagnosis. Selec-ted results are shown for 2009, 2015, and 2016. Statistical significance was set at p < 0.05. APC, annual percentage change; CI, confidence interval.