L X Clegg

Summary

Affiliation: National Institutes of Health
Country: USA

Publications

  1. pmc Estimating average annual per cent change in trend analysis
    Limin X Clegg
    Office of Inspector General, U S Department of Veterans Affairs, Washington, DC, USA
    Stat Med 28:3670-82. 2009
  2. ncbi request reprint A marginal mixed baseline hazards model for multivariate failure time data
    L X Clegg
    National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892 7352, USA
    Biometrics 55:805-12. 1999
  3. ncbi request reprint Impact of reporting delay and reporting error on cancer incidence rates and trends
    Limin X Clegg
    Surveillance Research Program, Division of Cancer Control and Population Sciences, National Cancer Institute, Bethesda, MD 20892, USA
    J Natl Cancer Inst 94:1537-45. 2002
  4. ncbi request reprint Comparison of self-reported initial treatment with medical records: results from the prostate cancer outcomes study
    L X Clegg
    Division of Cancer Control and Population Sciences, National Cancer Institute, Bethesda, MD 20892 8316, USA
    Am J Epidemiol 154:582-7. 2001
  5. ncbi request reprint Cancer survival among US whites and minorities: a SEER (Surveillance, Epidemiology, and End Results) Program population-based study
    Limin X Clegg
    Division of Cancer Control and Population Sciences, National Cancer Institute, National Institutes of Health, 6116 Executive Blvd, MSC 8316, Suite 504, Bethesda, MD 20892 8316, USA
    Arch Intern Med 162:1985-93. 2002
  6. ncbi request reprint Cancer surveillance series: interpreting trends in prostate cancer--part I: Evidence of the effects of screening in recent prostate cancer incidence, mortality, and survival rates
    B F Hankey
    Division of Cancer Control and Population Sciences, National Cancer Institute, Bethesda, MD 20892, USA
    J Natl Cancer Inst 91:1017-24. 1999
  7. ncbi request reprint Quality-of-life outcomes after primary androgen deprivation therapy: results from the Prostate Cancer Outcomes Study
    A L Potosky
    Division of Cancer Control and Population Sciences, National Cancer Institute, Bethesda, MD, USA
    J Clin Oncol 19:3750-7. 2001
  8. ncbi request reprint Partitioning linear trends in age-adjusted rates
    B F Hankey
    Cancer Statistics Branch, Cancer Surveillance Research Program, Division of Cancer Control and Population Sciences, National Cancer Institute, Bethesda, Maryland 20892 7352, USA
    Cancer Causes Control 11:31-5. 2000
  9. pmc Lung disease mortality in the United States: the National Longitudinal Mortality Study
    D R Lewis
    Surveillance Research Program, National Cancer Institute, National Institutes of Health, United States Department of Health and Human Services, Bethesda, Maryland 20982 8316, USA
    Int J Tuberc Lung Dis 13:1008-14. 2009
  10. ncbi request reprint Projecting SEER cancer survival rates to the US: an ecological regression approach
    Angela Mariotto
    Department of Epidemiology, Istituto Superiore di Sanita, Rome, Italy
    Cancer Causes Control 13:101-11. 2002

Detail Information

Publications32

  1. pmc Estimating average annual per cent change in trend analysis
    Limin X Clegg
    Office of Inspector General, U S Department of Veterans Affairs, Washington, DC, USA
    Stat Med 28:3670-82. 2009
    ..The AAPC estimation has been incorporated into the segmented regression (free) software Joinpoint, which is used by many registries throughout the world for characterizing trends in cancer rates...
  2. ncbi request reprint A marginal mixed baseline hazards model for multivariate failure time data
    L X Clegg
    National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892 7352, USA
    Biometrics 55:805-12. 1999
    ..Simulation studies indicate the adequacy of the proposed methodology for practical sample sizes. The methodology is illustrated with a data set from the Framingham Heart Study...
  3. ncbi request reprint Impact of reporting delay and reporting error on cancer incidence rates and trends
    Limin X Clegg
    Surveillance Research Program, Division of Cancer Control and Population Sciences, National Cancer Institute, Bethesda, MD 20892, USA
    J Natl Cancer Inst 94:1537-45. 2002
    ..We studied the impact of reporting delay and reporting error on incidence rates and trends for cancers of the female breast, colorectal, lung/bronchus, prostate, and melanoma...
  4. ncbi request reprint Comparison of self-reported initial treatment with medical records: results from the prostate cancer outcomes study
    L X Clegg
    Division of Cancer Control and Population Sciences, National Cancer Institute, Bethesda, MD 20892 8316, USA
    Am J Epidemiol 154:582-7. 2001
    ..These results can serve as a useful guide to researchers contemplating the use of surveys as an alternative to medical record abstraction to ascertain treatment in studies of patient outcomes...
  5. ncbi request reprint Cancer survival among US whites and minorities: a SEER (Surveillance, Epidemiology, and End Results) Program population-based study
    Limin X Clegg
    Division of Cancer Control and Population Sciences, National Cancer Institute, National Institutes of Health, 6116 Executive Blvd, MSC 8316, Suite 504, Bethesda, MD 20892 8316, USA
    Arch Intern Med 162:1985-93. 2002
    ....
  6. ncbi request reprint Cancer surveillance series: interpreting trends in prostate cancer--part I: Evidence of the effects of screening in recent prostate cancer incidence, mortality, and survival rates
    B F Hankey
    Division of Cancer Control and Population Sciences, National Cancer Institute, Bethesda, MD 20892, USA
    J Natl Cancer Inst 91:1017-24. 1999
    ..Detailed data are presented for whites because the size of the population allows for calculating statistically reliable rates; however, similar overall trends are seen for African-Americans and other races...
  7. ncbi request reprint Quality-of-life outcomes after primary androgen deprivation therapy: results from the Prostate Cancer Outcomes Study
    A L Potosky
    Division of Cancer Control and Population Sciences, National Cancer Institute, Bethesda, MD, USA
    J Clin Oncol 19:3750-7. 2001
    ..To compare health-related quality-of-life outcomes after primary androgen deprivation (AD) therapy with orchiectomy versus luteinizing hormone-releasing hormone (LHRH) agonists for patients with prostate cancer...
  8. ncbi request reprint Partitioning linear trends in age-adjusted rates
    B F Hankey
    Cancer Statistics Branch, Cancer Surveillance Research Program, Division of Cancer Control and Population Sciences, National Cancer Institute, Bethesda, Maryland 20892 7352, USA
    Cancer Causes Control 11:31-5. 2000
    ..The objective here is to provide a method for partitioning a linear trend in age-adjusted rates into disease-specific components...
  9. pmc Lung disease mortality in the United States: the National Longitudinal Mortality Study
    D R Lewis
    Surveillance Research Program, National Cancer Institute, National Institutes of Health, United States Department of Health and Human Services, Bethesda, Maryland 20982 8316, USA
    Int J Tuberc Lung Dis 13:1008-14. 2009
    ..The National Longitudinal Mortality Study (NLMS) offers the advantage of assessing mortality in a representative population of the United States...
  10. ncbi request reprint Projecting SEER cancer survival rates to the US: an ecological regression approach
    Angela Mariotto
    Department of Epidemiology, Istituto Superiore di Sanita, Rome, Italy
    Cancer Causes Control 13:101-11. 2002
    ..The objective of this study is to project cancer survival for the entire US as well as states from survival data from the National Cancer Institute's Surveillance, Epidemiology, and End Results (SEER) program...
  11. ncbi request reprint Community-based use of chemotherapy and hormonal therapy for early-stage breast cancer: 1987-2000
    Linda C Harlan
    Applied Research Program, National Cancer Institute, Bethesda, MD 20892 7344, USA
    J Clin Oncol 24:872-7. 2006
    ..We describe trends in the use of chemotherapy and hormonal therapy by nodal and estrogen receptor (ER) status in women with early-stage breast cancer...
  12. ncbi request reprint Estimating the variance of cancer prevalence from population-based registries
    Anna Gigli
    Istituto di Ricerche sulla Popolazione e le Politiche Sociali, Consiglio Nazionale delle Ricerche, Roma, Italy
    Stat Methods Med Res 15:235-53. 2006
    ..An analytic approach is considered to calculate the variance of step 3. A unified expression for the variance of the prevalence allowing for steps 1 through 3 is obtained. Some applications to cancer data are presented...
  13. ncbi request reprint Patterns of care for adjuvant therapy in a random population-based sample of patients diagnosed with colorectal cancer
    Deirdre P Cronin
    Surveillance Research Program, DCCPS, National Cancer Institute, Bethesda, Maryland, USA
    Am J Gastroenterol 101:2308-18. 2006
    ..This study tracks dissemination of these treatments for patients diagnosed with stage II and III disease and compares risk of death for those who received guideline therapy to those who did not...
  14. ncbi request reprint Rising incidence rates of breast carcinoma with micrometastatic lymph node involvement
    Deirdre P Cronin-Fenton
    Surveillance Research Program, Division of Cancer Control and Population Sciences, National Cancer Institute, Bethesda, MD, USA
    J Natl Cancer Inst 99:1044-9. 2007
    ..Increases in small tumors with micrometastatic lymph node involvement may be attributable to the increased use of the sentinel lymph node biopsy in community practice...
  15. ncbi request reprint Patterns of care for cervical cancer patients treated in the U.S. military health care system
    John H Farley
    Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Tripler Army Medical Center, Honolulu, HI 96859 5000, USA
    J Reprod Med 52:1040-5. 2007
    ..S. Department of Defense (DOD) Military Health Care System received treatment within standard guidelines and whether survival was influenced by implementation of these guidelines...
  16. doi request reprint Is mode of breast cancer detection associated with cancer treatment in the United States?
    K Robin Yabroff
    Division of Cancer Control and Population Sciences, National Cancer Institute, Bethesda, MD 20892 7344, USA
    Cancer 112:1011-9. 2008
    ..In the current study, the authors explored whether detection by mammography was associated with greater use of guideline-consistent breast cancer treatment among patients with recently diagnosed breast cancer in the United States...
  17. pmc A new method to evaluate the completeness of case ascertainment by a cancer registry
    Barnali Das
    Westat, 1650 Research Blvd, Rockville, MD, 20850, USA
    Cancer Causes Control 19:515-25. 2008
    ..NAACCR does not incorporate the variability of this index into the certification process...
  18. pmc Treatment and survival in a population-based sample of patients diagnosed with gastroesophageal adenocarcinoma
    Deirdre P Cronin-Fenton
    Surveillance Research Program, DCCPS, National Cancer Institute, Bethesda MD 20892 7344, United States
    World J Gastroenterol 14:3165-73. 2008
    ..To examine the extent of use of specific therapies in clinical practice, and their relationship to therapies validated in clinical trials...
  19. ncbi request reprint Insurance status and the use of guideline therapy in the treatment of selected cancers
    Linda C Harlan
    Division of Cancer Control and Population Sciences, Cancer Therapy Evaluation Program, National Cancer Institute, National Institute of Health, Bethesda, MD 20892 7344, USA
    J Clin Oncol 23:9079-88. 2005
    ..This study estimates the impact of type of insurance coverage on the receipt of guideline therapy in a population-based sample of cancer patients treated in the community...
  20. ncbi request reprint Patterns of care in a population-based random sample of patients diagnosed with non-Hodgkin's lymphoma
    Deirdre P Cronin
    National Cancer Registry Ireland, Elm Court, Boreenmanna Rd, Cork, Ireland
    Hematol Oncol 23:73-81. 2005
    ..01). This is the first population-based study examining therapy received for many histological subtypes of NHL...
  21. ncbi request reprint Estimating the variance of disease-prevalence estimates from population-based registries
    Limin X Clegg
    National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892 8316, USA
    Biometrics 58:684-8. 2002
    ..tend to have below-nominal coverage. For these reasons, we recommend the Poisson method, which also reduces the computational burden considerably...
  22. ncbi request reprint Endocrine tumors of the uterine cervix: incidence, demographics, and survival with comparison to squamous cell carcinoma
    Margaret E McCusker
    University of Maryland School of Medicine, Department of Epidemiology and Preventive Medicine, Baltimore, MD, USA
    Gynecol Oncol 88:333-9. 2003
    ..The aim was to describe the epidemiology of endocrine tumors of the cervix in comparison with invasive squamous cell carcinomas using population-based data reported to the Surveillance, Epidemiology and End-Results (SEER) program...
  23. ncbi request reprint Trends in surgery and chemotherapy for women diagnosed with ovarian cancer in the United States
    Linda C Harlan
    National Cancer Institute, 6130 Executive Blvd, MSC 7344, Bethesda, MD 20892 7344, USA
    J Clin Oncol 21:3488-94. 2003
    ..We examined patterns of care in a population-based sample of 601 ovarian cancer patients diagnosed in 1991, and a sample of 566 women was selected in 1996 to examine trends in care...
  24. ncbi request reprint Epidemiology of primary Merkel cell carcinoma in the United States
    Maria Agelli
    National Cancer Institute, Bethesda, MD, USA
    J Am Acad Dermatol 49:832-41. 2003
    ..Merkel cell carcinoma (MCC) is a rare, aggressive skin cancer...
  25. ncbi request reprint Chemotherapy in women with breast cancer
    Linda C Harlan
    Ann Intern Med 139:868; author reply 868-9. 2003
  26. ncbi request reprint Annual report to the nation on the status of cancer, 1975-2001, with a special feature regarding survival
    Ahmedin Jemal
    Epidemiology and Surveillance Research Department, American Cancer Society, 1599 Clifton Road, Atlanta, GA 30329, USA
    Cancer 101:3-27. 2004
    ..S. This year's report features a special section on cancer survival...
  27. ncbi request reprint Pre-operative imaging, surgery and adjuvant therapy for women diagnosed with cancer of the corpus uteri in community practice in the United States
    Edward L Trimble
    National Cancer Institute, Surgery Section, 6130 Executive Boulevard, Ste 741, M, Bethesda, MD 20892 7436, USA
    Gynecol Oncol 96:741-8. 2005
    ..Non-Hispanic black women are less often diagnosed with endometrial cancer than are non-Hispanic white women, but are more likely to die of their disease. Reasons for this disparity in outcome are not well understood...
  28. ncbi request reprint Untreated cervical cancer in the United States
    Edward L Trimble
    Surgery Section, National Cancer Institute, 6130 Executive Boulevard, Suite 741, MSC 7436, Bethesda, MD 20892 7436, USA
    Gynecol Oncol 96:271-7. 2005
    ..To evaluate treatment patterns, including lack of treatment, among women diagnosed with cervical cancer in the United States...
  29. ncbi request reprint Efficient interval estimation for age-adjusted cancer rates
    Ram C Tiwari
    National Cancer Institute, NIH, Bethesda, MD, USA
    Stat Methods Med Res 15:547-69. 2006
    ..The proposed gamma and F intervals and the normal intervals for the correlated age-adjusted rates are recommended to be implemented in the Surveillance, Epidemiology and End Results Program of the National Cancer Institute...
  30. ncbi request reprint Quality of race, Hispanic ethnicity, and immigrant status in population-based cancer registry data: implications for health disparity studies
    Limin X Clegg
    Office of Healthcare Inspections, Office of Inspector General, US Department of Veterans Affairs, Washington, DC 20001, USA
    Cancer Causes Control 18:177-87. 2007
    ..In particular, the study results caution against evaluating health disparities by using birthplace as a measure of immigrant status and race information for American Indians/Alaska Natives...
  31. ncbi request reprint Quality of life following localized prostate cancer treated initially with androgen deprivation therapy or no therapy
    Arnold L Potosky
    Division of Cancer Control and Population Sciences, National Cancer Institute, Bethesda, MD
    J Natl Cancer Inst 94:430-7. 2002
    ..Treatment patterns and quality-of-life outcomes have not been previously reported for a population-based sample of such men...
  32. ncbi request reprint Primary malignant neoplasms of the appendix: a population-based study from the surveillance, epidemiology and end-results program, 1973-1998
    Margaret E McCusker
    Department of Epidemiology and Preventive Medicine, University of Maryland, Baltimore, Maryland 21201, USA
    Cancer 94:3307-12. 2002
    ..Although several case series of these tumors have been published, little research has been anchored in population-based data on cancer of the appendix...