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www.uspreventiveservicestaskforce.org/uspstf/document/final-modeling-study/aspirin-to-prevent-cardiovascular-disease-preventive-medication
April 26, 2022 - the use of aspirin for the primary prevention of cardiovascular disease (CVD) and colorectal cancer (CRC … Reduced CRC incidence was considered in sensitivity analysis. … Sensitivity analyses showed lifetime net benefits may be higher if aspirin reduced CRC incidence or CVD … module capable of assessing primary prevention of either CRC cases or deaths. … In the base case, there was no assumed effect of aspirin use on CRC incidence.
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www.uspreventiveservicestaskforce.org/home/getfilebytoken/whbbEX529Ha4FyvsYv6uh6
April 26, 2022 - or were unselected for CRC risk. … The primary outcomes for CRC benefits (KQ1) were CRC inci-
dence and CRC mortality. … risk factors such as family history of CRC were not
reported in any RCT, and only 1 RCT73 reported CRC … Detailed results are available
in the full report.10
CRC Outcomes
CRC Incidence | Studies reporting … CRC Mortality | Results for CRC mortality were highly variable, po-
tentially because of differences
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www.uspreventiveservicestaskforce.org/home/getfilebytoken/2GDCmTe7akyrAHsTMbfz72
May 06, 2022 - or were unselected for CRC risk. … The primary outcomes for CRC benefits (KQ1) were CRC inci-
dence and CRC mortality. … risk factors such as family history of CRC were not
reported in any RCT, and only 1 RCT73 reported CRC … Detailed results are available
in the full report.10
CRC Outcomes
CRC Incidence | Studies reporting … CRC Mortality | Results for CRC mortality were highly variable, po-
tentially because of differences
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www.uspreventiveservicestaskforce.org/uspstf/document/final-evidence-summary19/colorectal-cancer-screening
May 18, 2021 - or not selected for inclusion based on CRC risk factors. … Included studies needed to report outcomes of CRC incidence, CRC-specific mortality, or all-cause mortality … incidence, CRC mortality, or both. … CRC-specific mortality (IRR, 0.74 [95% CI, 0.68-0.80], with 10 to 17 fewer CRC deaths per 100,000 person-years … No. of studies (participants)
Rounds (intervals)
Follow-up, y
CRC incidence
CRC mortality
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www.uspreventiveservicestaskforce.org/uspstf/recommendation/aspirin-to-prevent-cardiovascular-disease-preventive-medication
April 26, 2022 - Although the WHS reported a lower incidence of CRC at 17.5 years of follow-up (Peto OR, 0.82 [95% CI, … ASPREE reported that aspirin use was associated with statistically significantly higher CRC mortality … Overall, only a small number of trials reported on CRC outcomes. … by 1 trial conducted in women only, and the evidence on CRC mortality is limited by few CRC deaths. … assumed no effect of aspirin on CRC incidence.
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www.uspreventiveservicestaskforce.org/home/getfilebytoken/Njxn2r3qtWKdBf2_VhS2Aw
April 01, 2016 - ) mortality and incidence in persons at average CRC
risk. … 6; n = 35 535;
1632 incident
cancer cases
k = 4;
n = 14 033;
391 incident
CRC cases,
240 CRC
deaths … CRC Mortality
Rothwell and colleagues reported data on long-
term CRC mortality (median follow-up, 18.3 … CRC Incidence
Data on CRC incidence came from 2 IPD meta-
analyses by Rothwell and colleagues (67, 68 … Forest plots of aspirin use and CRC incidence.
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www.uspreventiveservicestaskforce.org/home/getfilebytoken/473PPVwoRhapCkN9SC-rue
May 18, 2021 - (SimCRC), CRC Simulated Population
Model for Incidence and Natural History (CRC-SPIN), and Micro-
simulation … age 50 y
SimCRC CRC-SPIN MISCAN Mean
Additional CRC cases averted if start
screening at age 45 y … SimCRC CRC-SPIN MISCAN Mean
Screening modality
and frequency
Stool tests
Benefit: CRC cases averted … at age 50 y
SimCRC CRC-SPIN MISCAN Mean
Additional CRC deaths averted if start
screening at age 45 … , colorectal cancer; CRC-SPIN, CRC Simulated
Population Model for Incidence and Natural History; CTC,
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www.uspreventiveservicestaskforce.org/home/getfilebytoken/LPaUxRbrTshfsYVVTzenEQ
April 26, 2022 - The systematic review also investigated the
effect of aspirin use on colorectal cancer (CRC) incidence … to assess the net
balance of benefits and harms from aspirin use for primary prevention of CVD and CRC … Overall, only a small
number of trials reported on CRC outcomes. … weighted by 1 trial conducted in women only, and the evidence on
CRC mortality is limited by few CRC … assumed no effect of as-
pirin on CRC incidence.
-
www.uspreventiveservicestaskforce.org/home/getfilebytoken/Xbtq4oDQwVo7KgmSjnnDbz
November 01, 2021 - or not selected for inclusion based on CRC risk fac-
tors. … Summarized below are the
results for CRC-specific mortality, as results for CRC incidence were
consistent … with CRC mortality findings. … , %e
No. of
CRC Deaths/
100 000
Person-Years
CRC
Mortality,
RR (95% CI)
Flexible
Sigmoidoscopy
NORCCAP … Mortality
benefit was limited to
distal CRC.
Fair to poor.
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www.uspreventiveservicestaskforce.org/home/getfilebytoken/ocULFVqnfy4STqcU2DuPzU
May 18, 2021 - or not selected for inclusion based on CRC risk
factors. … Included studies needed
to report outcomes of CRC incidence, CRC-specific mortality, or all-
cause mortality … incidence, CRC mortality, or both. … CRC-specific mortality
(IRR, 0.74 [95% CI, 0.68-0.80], with 10 to 17 fewer CRC deaths per
100 000 person-years … No. of studies
(participants)
Rounds
(intervals) Follow-up, y CRC incidence CRC mortality
Colonoscopy37,47
-
www.uspreventiveservicestaskforce.org/uspstf/document/evidence-summary/colorectal-cancer-screening
June 15, 2016 - or not selected for inclusion based on CRC risk factors. … Summarized below are the results for CRC-specific mortality, as results for CRC incidence were consistent … with CRC mortality findings. … , % e
No. of
CRC Deaths/
100,000
Person-Years
CRC
Mortality,
RR (95% CI … Mortality benefit was limited to distal CRC.
Fair to poor.
-
www.uspreventiveservicestaskforce.org/uspstf/document/evidence-summary/colorectal-cancer-screening-june-2016
June 15, 2016 - or not selected for inclusion based on CRC risk factors. … Summarized below are the results for CRC-specific mortality, as results for CRC incidence were consistent … with CRC mortality findings. … , % e
No. of
CRC Deaths/
100,000
Person-Years
CRC
Mortality,
RR (95% CI … Mortality benefit was limited to distal CRC.
Fair to poor.
-
www.uspreventiveservicestaskforce.org/home/getfilebytoken/MLeu_yFpPwzcZwKG6fw5ZY
April 26, 2022 - the use of aspirin for the primary prevention of cardiovascular disease
(CVD) and colorectal cancer (CRC … Reduced CRC incidence was
considered in sensitivity analysis. … Sensitivity
analyses showed lifetime net benefits may be higher if aspirin reduced CRC incidence or CVD … experi-ence their first stroke or coronary attack and nearly 150 000will develop colorectal cancer (CRC … module capable of
assessing primary prevention of either CRC cases or deaths.
-
www.uspreventiveservicestaskforce.org/uspstf/document/final-evidence-summary4/colorectal-cancer-screening-2008
October 15, 2008 - 95.2
CRC: 86.7
Polyp ≥10 mm: 87.5
CRC: 97.3
Polyp ≥10 mm: 97.9
CRC: 97.7 … ≥10 mm: 22.8
CRC: 96.9
Adenoma ≥ 10 mm: 97.3
CRC: 90.1
Adenoma ≥10 mm: 90.6
CRC … : 55.6
Adenoma: 30.1
CRC: 83.3
Adenoma: 50.7
CRC: 88.9
Adenoma: 54.8
CRC … 1996 46 , b ; 3365; fair
4.7
CRC: 90.9
CRC: 83.3
CRC: 71.4
CRC: 95.6
Yes
No … 1 of 2 CRC cases detected
2 of 2 CRC cases detected
6 of 7 CRC cases detected
None detected
-
www.uspreventiveservicestaskforce.org/home/getfilebytoken/UCajZVxQEKLCgs59HV7ddE
November 01, 2008 - CRC: 67.8 CRC: 97
Advanced neoplasia: NR Advanced neoplasia: NR
2.0 CRC: 61 CRC: 98
Advanced neoplasia … CRC: 79.4 CRC: 86.7 Yes Yes
Polyp �10 mm: 68.6 Polyp �10 mm: 87.5
3.0 CRC: 65.6 CRC: 97.3
Polyp �10 … Polymedco,
Cortlandt Manor, NY)
5.3 CRC: 86.5 CRC: 94.9 No No
18.8 CRC: 66.7 CRC: 83.1 No No
Advanced … : 30.1
NR CRC: 83.3 CRC and adenoma: 96.0
Adenoma: 50.7
NR CRC: 88.9 CRC and adenoma: 93.9
Adenoma: … 54.8
4.7 CRC: 90.9 CRC: 95.6 Yes No
CRC: 83.3
CRC: 71.4
8.2 CRC: 51.6 (34.8–68.0) Minor polyps: 92.4
-
www.uspreventiveservicestaskforce.org/uspstf/document/final-modeling-study18/colorectal-cancer-screening
May 18, 2021 - Descriptions
This study used 3 independently developed microsimulation models: Simulation Model of CRC … (SimCRC), CRC Simulated Population Model for Incidence and Natural History (CRC-SPIN), and Microsimulation … SimCRC was programmed in C++, CRC-SPIN in R, and MISCAN in Delphi. … Simulated Population Model for Incidence and Natural History (CRC-SPIN) simulates continuous adenoma … , colorectal cancer; CRC-SPIN, CRC Simulated Population Model for Incidence and Natural History; CTC,
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www.uspreventiveservicestaskforce.org/uspstf/document/evidence-summary-aspirin/aspirin-nsaids-for-prevention-of-colorectal-cancer-preventive-medication
March 15, 2007 - Cohort studies (ASA: 4 CRA, 7 CRC): 11.
Case-control studies (ASA: 7 CRA, 7 CRC): 14. … Note: ASA = aspirin; CRA = colorectal adenoma; CRC = colorectal cancer; RCT = randomized, controlled … Nonexposed: n = 30,020 person-years in CRC study. … Nonexposed: n = 30,020 person-years in CRC study. … Exclusion criteria: History of CRC, FAP, bowel resection excluding appendectomy, IBD, or debilitating
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www.uspreventiveservicestaskforce.org/uspstf/document/evidence-summary-aspirin/aspirin-nsaids-for-prevention-of-colorectal-cancer-preventive-medication-2007
March 15, 2007 - Cohort studies (ASA: 4 CRA, 7 CRC): 11.
Case-control studies (ASA: 7 CRA, 7 CRC): 14. … Note: ASA = aspirin; CRA = colorectal adenoma; CRC = colorectal cancer; RCT = randomized, controlled … Nonexposed: n = 30,020 person-years in CRC study. … Nonexposed: n = 30,020 person-years in CRC study. … Exclusion criteria: History of CRC, FAP, bowel resection excluding appendectomy, IBD, or debilitating
-
www.uspreventiveservicestaskforce.org/home/getfilebytoken/DYFdTVu-UY3h7CWGdA7Zkh
July 20, 2021 - or not selected for inclusion based on CRC risk
factors. … Included studies needed
to report outcomes of CRC incidence, CRC-specific mortality, or all-
cause mortality … incidence, CRC mortality, or both. … CRC-specific mortality
(IRR, 0.74 [95% CI, 0.68-0.80], with 10 to 17 fewer CRC deaths per
100 000 person-years … No. of studies
(participants)
Rounds
(intervals) Follow-up, y CRC incidence CRC mortality
Colonoscopy37,47
-
www.uspreventiveservicestaskforce.org/home/getfilebytoken/pnyU5fxhdBUtCdvJ3GyqzR
March 01, 2007 - ASA � aspirin; CRA � colorectal adenoma; CRC � colorectal cancer; RCT � randomized, controlled trial. … �15 y 0.58 (0.36–0.93)
�15 y 0.72 (0.52–0.99)
Women �15 y 0.61 (0.38–0.97)
�15 y 0.72 (0.51–1.02)
CRC … RR � 0.91 (0.76–1.10)
Cohort studies:
regular aspirin use (>2–3 d
per week for >1 y) and risk for CRC … 0.83)
Giovannucci et al., 1995 (54) Table 1 (p. 611) A priori§ Age; sex (women); family
history of CRC … study
Nonexposed: n � 30 020
person-years in
CRC study
Good
Schreinemachers
et al., 1994,
U.S. (27