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Showing results for "proportion".

21. ahrq29a - Screening for Hepatitis C Virus Infection: A Review of the Evidence for the U.S. Preventive Services Task Force (pdf file)
    www.uspreventiveservicestaskforce.org/home/getfilebytoken/We5A-uCMvX5qYeFukGgqks
    March 01, 2004 - In 4 large population-based studies (prevalence 1.2% to 3.2%), the proportion of patients with positive … Because a substantial proportion of patients in this study had malignant disease, patients with chronic … Although the proportion of screened patients found to have chronic HCV in selected high-risk populations … High proportion of false positive reactions among donors with anti-HCV antibodies in a low prevalence … b) In patients found to be positive for hepatitis C virus antibody, what proportion of patients would

22. Archived: Evidence Summary: Hepatitis C Virus Infection: Screening, 2004 | United States Preventive Services Taskforce
    www.uspreventiveservicestaskforce.org/uspstf/document/evidence-summary/hepatitis-c-virus-infection-screening-2004
    March 08, 2004 - In 4 large population-based studies (prevalence 1.2 percent to 3.2 percent), the proportion of patients … Because a substantial proportion of patients in this study had malignant disease, patients with chronic … Although the proportion of screened patients found to have chronic HCV in selected high-risk populations … High proportion of false positive reactions among donors with anti-HCV antibodies in a low prevalence … b) In patients found to be positive for hepatitis C virus antibody, what proportion of patients would

23. Primary Care Behavioral Counseling Interventions to Support Breastfeeding: US Preventive Services Task Force Recommendation Statement (pdf file)
    www.uspreventiveservicestaskforce.org/home/getfilebytoken/r77BgfGVeBPRDME-DpBvFk
    April 08, 2025 - infants at that age are ex- clusively breastfed.3 Healthy People 2030 has set a goal to in- crease the proportion … of infants who are breastfed exclusively through age 6 months to 42.4%4 and the proportion of infants … Healthy People 2030: increase the proportion of infants who are breastfed exclusively through age 6 months—MICH … Healthy People 2030: increase the proportion of infants who are breastfed at 1 year—MICH-16. … 2025. https://odphp.health. gov/healthypeople/objectives-and-data/browse- objectives/infants/increase-proportion-infants

24. Screening for HIV: A Review of the Evidence for the U.S. Preventive Preventive Services Task Force (pdf file)
    www.uspreventiveservicestaskforce.org/home/getfilebytoken/3qpQqeeozW8nV3a4_BWntp
    June 20, 2019 - A substantial proportion of Americans report behav- iors that could put them at risk for HIV infection … The proportion of tested female adolescents is substantially lower at 25% (91). … or the effects of HAART on the proportion of patients qualifying for prophylaxis. … A substantial proportion of HIV-positive patients do not receive or decline care. … For ex- ample, if the estimate was a rate or proportion, the logit of the rate or proportion was sampled

25. Screening for Prostate Cancer: Clinical Summary (pdf file)
    www.uspreventiveservicestaskforce.org/home/getfilebytoken/HUjbcP7uLa2SrGpVW4Fbhd
    A proportion of those treated, and possibly harmed, would never have developed cancer symptoms during

26. Archived: Published Comment - Will Recommendations against Spirometry Make Chronic Obstructive Pulmonary Disease Harder to Treat?: Chronic Obstructive Pulmonary Disease (COPD): Screening | United States Preventive Services Taskforce
    www.uspreventiveservicestaskforce.org/uspstf/document/published-comment---will-recommendations-against-spirometry-make-chronic-obstructive-pulmonary-disease-harder-to-treat/chronic-obstructive-pulmonary-disease-copd-screening-2008
    November 15, 2008 - National data from the United States and other countries demonstrate that a high proportion of adults … Specifically, not only are most patients with COPD without diagnosis, but a large proportion of individuals

27. Archived: Evidence Summary: Alcohol Misuse: Screening and Counseling | United States Preventive Services Taskforce
    www.uspreventiveservicestaskforce.org/uspstf/document/evidence-summary/alcohol-misuse-screening-and-counseling-2004
    April 06, 2004 - Five studies (50–53, 55) reported the proportion of participants with safe or moderate alcohol use. … Four studies reported the proportion of participants not bingeing. 50– 53  Six of these trials 50–53 … of participants who were alcohol-dependent, and the proportion who were motivated or help-seeking or … For binge use, we abstracted the percentage or proportion of participants bingeing or not bingeing, or … Where necessary, we used the converse (1 minus the proportion) to convert data for comparability.

28. Archived: Cervical Cancer: Screening, 1996 | United States Preventive Services Taskforce
    www.uspreventiveservicestaskforce.org/uspstf/recommendation/cervical-cancer-screening-1996
    January 01, 1996 - CIN) by Pap smears may have poor specificity for cervical carcinoma, however, because a substantial proportion … A large proportion of diagnostic errors may be attributable to laboratory error. … 16 With the adoption of the Bethesda system for classification of cervical diagnoses, 17 a large proportion … with the onset of sexual activity. 82 , 92 , 94 This policy is based in part on the concern that a proportion … There is some evidence that adenocarcinomas are accounting for a growing proportion of new cervical cancer

29. Evidence Summary: Hepatitis B Virus Infection in Pregnant Women: Screening | United States Preventive Services Taskforce
    www.uspreventiveservicestaskforce.org/uspstf/document/evidence-summary/hepatitis-b-virus-infection-in-pregnant-women-screening
    July 23, 2019 - Before the widespread availability of postexposure prophylaxis, the proportion … prevention of perinatal transmission among infants who have completed case-management programs A high proportion

30. Screening for Hepatitis C Virus Infection in Adults: A Systematic Review for the USPSTF (pdf file)
    www.uspreventiveservicestaskforce.org/home/getfilebytoken/ZrLh7o2TpPpY9WXXWbXbGk
    January 01, 2013 - The proportion screened was the number of patients screened upon application of a partic- ular screening … were not in- cluded in analyses because of unknown HCV status or that the study did not report the proportion … Screening Strategies: Effects of Applying Alternative Screening Criteria on Proportion Screened, Sensitivity … Case of HCV Infection Study, Year; Country (Reference) HCV Prevalence, % (n/N) Screening Strategy Proportion … of HCV- infected patients undergoing liver biopsy has decreased overall, no study reported the proportion

31. U.S. Preventive Services Task Force Standards for Guideline Development (pdf file)
    www.uspreventiveservicestaskforce.org/uspstf/sites/default/files/inline-files/standards-guideline-dev%20(1).pdf
    September 06, 2019 - all current and planned commercial (including services from which a clinician derives a substantial proportion … planned involvement in commercial (including services from which a clinician derives a substantial proportion

32. Does Counseling by Clinicians Improve Physical Activity? A Summary of the Evidence (pdf file)
    www.uspreventiveservicestaskforce.org/home/getfilebytoken/MeDkbyweVDHdpNgerFahn4
    January 01, 2010 - The outcome of primary interest was the proportion of patients who met the Healthy People 2010 goal in … The third trial, which was non-randomized, reported that an increased proportion of inactive patients … One was a non- randomized trial in which a significantly greater proportion of the intervention patients … Increased proportion of the week during 3 week recruitment) had of active intervention patients (38% … Calfas et al, Establishment and maintenance of comparison Increased proportion of intervention patients

33. Archived: Final Evidence Summary: Skin Cancer: Screening, April 2001 | United States Preventive Services Taskforce
    www.uspreventiveservicestaskforce.org/uspstf/document/final-evidence-summary/skin-cancer-screening-2001
    April 01, 2001 - Both self-assessment of risk factors or clinician examination can classify a small proportion of patients … melanoma, for which an examination confined to areas not covered by clothing is likely to miss a high proportion … Because the proportion of patients who had suspicious lesions (and melanoma) was much higher in this … Nonetheless, the proportion of thin melanomas is clearly higher in screening programs than in usual care … Among the 643 respondents, the proportion of individuals who regularly checked their skin increased from

34. Counseling to Prevent Skin Cancer: A Summary of the Evidence (pdf file)
    www.uspreventiveservicestaskforce.org/home/getfilebytoken/exVc75LHoUdnqjY6wYxzGV
    June 01, 2003 - In intervention towns, the proportion of children with some sun protection increased from 78% to 87% … in the summer of the intervention, while in controls the proportion fell from 85% to 80% (P=0.029). … The proportion using full protection increased from 53% to 74% in intervention towns versus 66% to 72% … In intervention towns, the proportion of children with some sun protection increased from 78% to 87%, … while in controls the proportion fell from 85% to 80% (P=.029).

35. Archived: Evidence Summary: Skin Cancer: Counseling, 2003 | United States Preventive Services Taskforce
    www.uspreventiveservicestaskforce.org/uspstf/document/evidence-summary/skin-cancer-counseling-2003
    October 06, 2003 - In intervention towns, the proportion of children with some sun protection increased from 78% to 87% … in the summer of the intervention, while in controls the proportion fell from 85% to 80% ( P =0.029). … The proportion using full protection increased from 53% to 74% in intervention towns vs 66% to 72% in … In intervention towns, the proportion of children with some sun protection increased from 78% to 87%, … while in controls the proportion fell from 85% to 80% (P=.029).

36. Archived: Colorectal Cancer: Screening, 1996 | United States Preventive Services Taskforce
    www.uspreventiveservicestaskforce.org/uspstf/recommendation/colorectal-cancer-screening-1996
    January 01, 1996 - 50 to age 75 has an estimated 45% probability of receiving a false-positive result. 21 This large proportion … rates from colorectal cancer. 72-74 A subsequent analysis of the data, however, revealed that the proportion … The logistical difficulties and costs of performing FOBT and sigmoidoscopy on a large proportion of the … limited acceptability of the tests and the expense of performing screening and follow-up on a large proportion … The use of nonrehydrated slides would therefore allow a much larger proportion of persons with cancer

37. Archived: Suicide Risk in Adolescents, Adults and Older Adults: Screening | United States Preventive Services Taskforce
    www.uspreventiveservicestaskforce.org/uspstf/recommendation/suicide-risk-in-adolescents-adults-and-older-adults-screening
    May 20, 2014 - A large proportion of Americans have a risk factor for suicide; however, only a small proportion will … A large proportion of Americans have 1 of these risk factors; however, only a small proportion will attempt … The proportion of patients in control groups with a history of suicide attempts in treatment studies … In addition, differential ascertainment may have biased the results; a higher proportion of participants

38. Screening for Breast Cancer: Evidence Report and Systematic Review for the US Preventive Services Task Force (pdf file)
    www.uspreventiveservicestaskforce.org/home/getfilebytoken/Pboxx4DR35wz5GPozm-XNF
    June 15, 2023 - Proportion of Screen-Detected Invasive Cancers Diagnosed (Advanced Stage [II or Higher], Tumor Size > … difference: −33 (−46 to –21) DM NR (109) 2 DBT NR (69) Proportion difference: −18 (−29 to –7) DM … difference: −3 (−5 to –1) DM NR (18) 2 DBT NR (13) Proportion difference: 0 (−3 to 2) DM NR (14) … difference: −34 (−47 to –22) DM NR (101) 2 DBT NR (60) Proportion difference: −18 (−30 to −7) DM … NR (78) ≥3 DBT NR (55) Proportion difference: −11 (−23 to 2) DM NR (66) OVVVc Hovda et al,34 2020

39. Archived: Addendum to Screening for Ovarian Cancer: Evidence Update for the U.S. Preventive Services Task Force Reaffirmation Recommendation Statement: Ovarian Cancer: Screening | United States Preventive Services Taskforce
    www.uspreventiveservicestaskforce.org/uspstf/document/addendum-to-screening-for-ovarian-cancer-evidence-update-for-the-us-preventive-services-task-force-reaffirmation-recommendation-statement/ovarian-cancer-screening-2012
    April 15, 2012 - intervention and usual care groups, although there was a nonstatistically significant reduction in the proportion … However, the proportion of advanced tumors (Stages III and IV combined) was almost identical in the intervention … The high proportion of early-stage tumors detected is encouraging, although it should be noted that results … The proportion of early-stage tumors may decline in subsequent screening rounds, as the initial screening … However, the proportion of surgeries conducted after identifying a benign, instead of cancerous, mass

40. Addendum to Screening for Ovarian Cancer: Evidence Update for the USPSTF Reaffirmation Recommendation Statement (pdf file)
    www.uspreventiveservicestaskforce.org/home/getfilebytoken/QtuWfedsMmUb_sAuKWdsGg
    December 31, 2014 - intervention and usual care groups, although there was a nonstatistically significant reduction in the proportion … However, the proportion of advanced tumors (Stages III and IV combined) was almost identical in the … The high proportion of early-stage tumors detected is encouraging, although it should be noted that … The proportion of early-stage tumors may decline in subsequent screening rounds, as the initial screening … However, the proportion of surgeries conducted after identifying a benign, instead of cancerous, mass