1Department of Urology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
2Department of Urology, Seoul National University Hospital, Seoul, Korea
Copyright © 2018 by the Korean Cancer Association
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Values are presented as number (%). Overall population included all individuals who were recorded at the National Insurance System in 2003 (n=799,850), particularly who were aged more than 40 years (n=321,122) as well as excluded those who were already diagnosed with each of the cancers after 1-year wash out period. NSAID, nonsteroidal anti-inflammatory drug; COX-2, cyclooxygenase 2.
Variable | Group 1 (for prostate cancer) (n=143,870) | Group 2 (for kidney cancer) (n=320,861) | Group 3 (for urothelial cancer) (n=320,613) |
---|---|---|---|
Age distribution (yr) | |||
40-50 | 61,984 (43.1) | 131,148 (40.9) | 131,131 (40.9) |
50-60 | 37,949 (26.4) | 81,758 (25.5) | 81,720 (25.5) |
60-70 | 29,544 (20.5) | 66,881 (20.8) | 66,807 (20.8) |
> 70 | 14,393 (10.0) | 41,074 (12.8) | 40,955 (12.8) |
Sex | |||
Female | - | 175,605 (54.7) | 175,546 (54.7) |
Male | 143,870 (100) | 145,256 (45.3) | 145,067 (45.3) |
Insurance eligibility status | |||
National Health Insurance | 143,202 (99.5) | 318,978 (99.4) | 318,733 (99.4) |
Medical aid | 668 (0.5) | 1,883 (0.6) | 1,880 (0.6) |
Charlson Comorbidity Index | |||
0 | 104,198 (72.4) | 226,731 (70.7) | 226,654 (70.7) |
1 | 29,152 (20.3) | 68,758 (21.4) | 68,714 (2.4) |
2 | 7,617 (5.3) | 18,605 (5.8) | 18,519 (5.8) |
≥ 3 | 2,903 (2.0) | 6,767 (2.1) | 6,726 (2.1) |
Participant’s income level | |||
1-4 | 37,394 (26.0) | 92,025 (28.7) | 91,949 (28.7) |
5-8 | 58,049 (40.4) | 125,171 (39.0) | 125,095 (39.0) |
9-10 | 48,427 (33.6) | 103,665 (32.3) | 103,569 (32.3) |
Drug types | |||
Aspirin | 5,652 (3.9) | 11,838 (3.7) | 11,835 (3.7) |
NSAIDs | 1,305 (0.9) | 5,192 (1.6) | 5,190 (1.6) |
Statin | 1,667 (1.2) | 4,038 (1.3) | 4,038 (1.3) |
COX-2 inhibitors | 131 (0.1) | 536 (0.2) | 535 (0.2) |
No. of cancer development (2003-2013) | |||
Total | 9,622 (6.7) | 1,107 (0.4) | 2,121 (0.7) |
Person-year (/100,000/yr) | 668.7 | 34.5 | 66.2 |
No. of deaths (2003-2013) | |||
All-cause death | 1,413 (14.6) | 222 (20.1) | 502 (23.6) |
Cancer-specific death | 164 (1.7) | 81 (7.3) | 154 (7.2) |
Variable | Prostate cancer |
Kidney cancer |
Urothelial cancer |
||||||
---|---|---|---|---|---|---|---|---|---|
HR | 95% CI | p-value | HR | 95% CI | p-value | HR | 95% CI | p-value | |
Age distribution (yr) | |||||||||
40-50 | Reference | Reference | Reference | ||||||
50-60 | 2.56 | 2.41-2.71 | < 0.001 | 1.79 | 1.53-2.10 | < 0.001 | 1.94 | 1.70-2.21 | < 0.001 |
60-70 | 4.14 | 3.91-4.39 | < 0.001 | 2.04 | 1.73-2.41 | < 0.001 | 3.35 | 2.96-3.79 | < 0.001 |
> 70 | 5.49 | 5.13-5.89 | < 0.001 | 2.14 | 1.75-2.62 | < 0.001 | 5.53 | 4.83-6.32 | < 0.001 |
Sex | |||||||||
Female | - | Reference | Reference | ||||||
Male | - | - | - | 1.74 | 1.54-1.96 | < 0.001 | 2.29 | 2.09-2.50 | < 0.001 |
Insurance eligibility status | |||||||||
National Health Insurance | Reference | Reference | Reference | ||||||
Medical aid | 0.89 | 0.64-1.24 | 0.493 | 1.18 | 0.52-2.65 | 0.692 | 0.87 | 0.48-1.58 | 0.646 |
Charlson Comorbidity Index | |||||||||
0 | Reference | Reference | Reference | ||||||
1 | 1.28 | 1.23-1.35 | < 0.001 | 1.29 | 1.12-1.49 | < 0.001 | 1.18 | 1.07-1.32 | < 0.001 |
2 | 1.48 | 1.38-1.60 | < 0.001 | 2.25 | 1.83-2.70 | < 0.001 | 1.43 | 1.23-1.68 | < 0.001 |
≥ 3 | 1.61 | 1.43-1.81 | < 0.001 | 2.24 | 1.65-3.03 | < 0.001 | 1.69 | 1.35-2.14 | < 0.001 |
Participant’s income level | |||||||||
1-4 | Reference | Reference | Reference | ||||||
5-8 | 1.08 | 1.02-1.14 | 0.004 | 1.20 | 1.03-1.41 | 0.018 | 1.01 | 0.91-1.13 | 0.776 |
9-10 | 1.27 | 1.21-1.34 | < 0.001 | 1.32 | 1.14-1.55 | < 0.001 | 1.09 | 0.98-1.23 | 0.089 |
Drug type | |||||||||
Non-users | Reference | Reference | Reference | ||||||
Aspirin | 1.03 | 0.94-1.12 | 0.492 | 1.28 | 1.01-1.64 | 0.040 | 1.05 | 0.87-1.27 | 0.567 |
NSAIDs | 1.35 | 1.14-1.58 | < 0.001 | 1.09 | 0.72-1.66 | 0.673 | 0.94 | 0.68-1.29 | 0.712 |
Statin | 1.01 | 0.85-1.18 | 0.953 | 1.55 | 1.08-2.23 | 0.016 | 1.12 | 0.82-1.53 | 0.471 |
COX-2 inhibitors | 0.69 | 0.36-1.34 | 0.278 | 0.98 | 0.31-3.12 | 0.980 | 0.87 | 0.32-2.36 | 0.787 |
Values are presented as number (%). Overall population included all individuals who were recorded at the National Insurance System in 2003 (n=799,850), particularly who were aged more than 40 years (n=321,122) as well as excluded those who were already diagnosed with each of the cancers after 1-year wash out period. NSAID, nonsteroidal anti-inflammatory drug; COX-2, cyclooxygenase 2.
Values are presented as number (%). HR, hazard ratio; CI, confidence interval; NSAID, nonsteroidal anti-inflammatory drug; COX-2, cyclooxygenase 2.