Beaglehole R, Bonita R, Horton R, Adams C, Alleyne G, Asaria P, et al. Priority actions for the non-communicable disease crisis. Lancet. 2011;377(9775):1438–47.
Article
PubMed
Google Scholar
Fortin M, Lapointe L, Hudon C, Vanasse A. Multimorbidity is common to family practice. Is it commonly researched? Can Fam Physician. 2005;51:244–5.
PubMed
Google Scholar
Barnett K, Mercer SW, Norbury M, Watt G, Wyke S, Guthrie B. Epidemiology of multimorbidity and implications for health care, research, and medical education: a cross-sectional study. Lancet. 2012;380(9836):37–43.
Article
PubMed
Google Scholar
Fortin M, Hudon C, Haggerty J, van den Akker M, Almirall J. Prevalence estimates of multimorbidity: a comparative study of two sources. BMC Health Serv Res. 2010;10:111.
Article
PubMed
PubMed Central
Google Scholar
Perruccio AV, Katz JN, Losina E. Health burden in chronic disease: multimorbidity is associated with self-rated health more than medical comorbidity alone. J Clin Epidemiol. 2012;65(1):100–6.
Article
PubMed
Google Scholar
Lehnert T, Heider D, Leicht H, Heinrich S, Corrieri S, Luppa M, et al. Review: health care utilization and costs of elderly persons with multiple chronic conditions. Med Care Res Rev. 2011;68:387–420.
Article
PubMed
Google Scholar
Fortin M, Stewart M, Poitras ME, Almirall J, Maddocks H. A Systematic Review of Prevalence Studies on Multimorbidity: Toward a More Uniform Methodology. Ann Fam Med. 2012;10(2):142–51.
Article
PubMed
PubMed Central
Google Scholar
Parekh AK, Goodman RA, Gordon C, Koh HK, HHS Interagency Workgroup on Multiple Chronic Conditions. Managing multiple chronic conditions: a strategic framework for improving health outcomes and quality of life. Public Health Rep. 2011;126(4):460–71.
Article
PubMed
PubMed Central
Google Scholar
Salisbury C. Multimorbidity: redesigning health care for people who use it. Lancet. 2012. [Epub ahead of print].
Diederichs C, Berger K, Bartels DB. The measurement of multiple chronic diseases–a systematic review on existing multimorbidity indices. J Gerontol A Biol Sci Med Sci. 2011;66(3):301–11.
Article
PubMed
Google Scholar
Quan H, Li B, Saunders LD, Parsons GA, Nilsson CI, Alibhai A, et al. Assessing validity of ICD-9-CM and ICD-10 administrative data in recording clinical conditions in a unique dually coded database. Health Serv Res. 2008;43(4):1424–41.
Article
PubMed
PubMed Central
Google Scholar
Altman DG, Bland JM. Diagnostic tests 2: Predictive values. BMJ. 1994;309(6947):102.
Article
CAS
PubMed
PubMed Central
Google Scholar
Hemmelgarn BR, Clement F, Manns BJ, Klarenbach S, James MT, Ravani P, et al. Overview of the Alberta Kidney Disease Network. BMC Nephrol. 2009;10:30.
Article
PubMed
PubMed Central
Google Scholar
Statistics Canada: Postal Code Conversion File [http://www.statcan.gc.ca; Accessed January 13.
Ronksley PE, Tonelli M, Quan H, Manns BJ, James MT, Clement FM, et al. Validating a case definition for chronic kidney disease using administrative data. Nephrol Dial Transplant. 2012;27(5):1826–31.
Article
CAS
PubMed
Google Scholar
Stevens PE, Levin A. Kidney Disease: Improving Global Outcomes Chronic Kidney Disease Guideline Development Work Group Members: Evaluation and management of chronic kidney disease: synopsis of the kidney disease: improving global outcomes 2012 clinical practice guideline. Ann Intern Med. 2013;158(11):825–30.
Article
PubMed
Google Scholar
Quan H, Sundararajan V, Halfon P, Fong A, Burnand B, Luthi JC, et al. Coding algorithms for defining comorbidities in ICD-9-CM and ICD-10 administrative data. Med Care. 2005;43(11):1130–9.
Article
PubMed
Google Scholar
Tian TY, Zlateva I, Anderson DR. Using electronic health records data to identify patients with chronic pain in a primary care setting. J Am Med Inform Assoc. 2013.
Liu L, Allison JE, Herrinton LJ. Validity of computerized diagnoses, procedures, and drugs for inflammatory bowel disease in a northern California managed care organization. Pharmacoepidemiol Drug Saf. 2009;18(11):1086–93.
Article
PubMed
Google Scholar
Marrie RA, Fisk JD, Stadnyk KJ, Yu BN, Tremlett H, Wolfson C, et al. The incidence and prevalence of multiple sclerosis in Nova Scotia, Canada. Can J Neurol Sci. 2013;40(6):824–31.
Article
PubMed
Google Scholar
Sands BE, Duh M-S, Cali C, Ajene A, Bohn RL, Miller D, et al. Algorithms to identify colonic ischemia, complications of constipation and irritable bowel syndrome in medical claims data: development and validation. Pharmacoepidemiol Drug Saf. 2006;15(1):47–56.
Article
PubMed
Google Scholar
Fortin M, Bravo G, Hudon C, Vanasse A, Lapointe L. Prevalence of multimorbidity among adults seen in family practice. Ann Fam Med. 2005;3:223–8.
Article
PubMed
PubMed Central
Google Scholar
Fortin M, Hudon C, Dubois M-F, Almirall J, Lapointe L, Soubhi H. Comparative assessment of three different indices of multimorbidity for studies on health-related quality of life. Health Qual Life Outcomes. 2005;3:74.
Article
PubMed
PubMed Central
Google Scholar
Fortin M, Soubhi H, Hudon C, Bayliss EA, Van den Akker M. Multimorbidity in primary health care: Creating a research agenda; Preconference Workshop. Vancouver BC: NAPCRG meeting; 2007.
Google Scholar
Valderas JM, Starfield B, Roland M. Multimorbidity's many challenges: A research priority in the UK. BMJ. 2007;334:1128.
Article
PubMed
PubMed Central
Google Scholar
Britt HC, Harrison CM, Miller GC, Knox SA. Prevalence and patterns of multimorbidity in Australia. Med J Aust. 2008;189:72–7.
PubMed
Google Scholar
Marengoni A, Winblad B, Karp A, Fratiglioni L. Prevalence of chronic diseases and multimorbidity among the elderly population in Sweden. Am J Public Health. 2008;98:1198–200.
Article
PubMed
PubMed Central
Google Scholar
Uijen AA, van de Lisdonk EH. Multimorbidity in primary care: prevalence and trend over the last 20 years. Eur J Gen Pract. 2008;1(14 Suppl):28–32.
Article
Google Scholar
Mercer SW, Smith SM, Wyke S, O'Dowd T, Watt GC. Multimorbidity in primary care: developing the research agenda. Fam Pract. 2009;2:79–80.
Article
Google Scholar
Caughey GE, Roughead EE. Multimorbidity research challenges: where to go from here? J Comorbidity. 2011;1:8–10.
Article
Google Scholar
Marengoni A, Angleman S, Melis R, Mangialasche F, Karp A, Garmen A, Meinow B, Fratiglioni L: Aging with multimorbidity: A systematic review of the literature. Ageing Res Rev 2011, [Epub ahead of print].
Starfield B, Kinder K. Multimorbidity and its measurement. Health Policy. 2011. [Epub ahead of print].
Agborsangaya CB, Lau D, Lahtinen M, Cooke T, Johnson JA. Multimorbidity prevalence and patterns across socioeconomic determinants: a cross-sectional survey. BMC Public Health. 2012;12:201.
Article
PubMed
PubMed Central
Google Scholar
France EF, Wyke S, Gunn JM, Mair FS, McLean G, Mercer SW. Multimorbidity in primary care: a systematic review of prospective cohort studies. Br J Gen Pract. 2012;62(597):297–307.
Article
Google Scholar
Tinetti ME, Fried TR, Boyd CM. Designing health care for the most common chronic condition-multimorbidity. JAMA. 2012;307(23):2493–4.
Article
CAS
PubMed
PubMed Central
Google Scholar
U.S. Department of Health & Human Services. Multiple Chronic Conditions - A Strategic Framework: Optimum Health and Quality of Life for Individuals with Multiple Chronic Conditions. In Washington, D.C. 2010. http://www.hhs.gov/ash/initiatives/mcc/mcc_framework.pdf.
Gershon AS, Wang C, Guan J, Vasilevska-Ristovska J, Cicutto L, To T. Identifying patients with physician-diagnosed asthma in health administrative databases. Can Respir J. 2009;16(6):183–8.
Article
PubMed
PubMed Central
Google Scholar
Alonso A, Agarwal SK, Soliman EZ, Ambrose M, Chamberlain AM, Prineas RJ, et al. Incidence of atrial fibrillation in whites and African-Americans: the Atherosclerosis Risk in Communities (ARIC) study. Am Heart J. 2009;158(1):111–7.
Article
PubMed
PubMed Central
Google Scholar
Penberthy L, McClish D, Pugh A, Smith W, Manning C, Retchin S. Using hospital discharge files to enhance cancer surveillance. Am J Epidemiol. 2003;158(1):27–34.
Article
PubMed
Google Scholar
Mahajan R, Moorman AC, Liu SJ, Rupp L, Klevens RM, Chronic Hepatitis Cohort Study investigators. Use of the International Classification of Diseases, 9th revision, coding in identifying chronic hepatitis B virus infection in health system data: implications for national surveillance. J Am Med Inform Assoc. 2013;20(3):441–5.
Article
PubMed
PubMed Central
Google Scholar
Goldberg D, Lewis J, Halpern S, Weiner M, Lo Re 3rd V. Validation of three coding algorithms to identify patients with end-stage liver disease in an administrative database. Pharmacoepidemiol Drug Saf. 2012;21(7):765–9.
Article
CAS
PubMed
PubMed Central
Google Scholar
Hux JE, Ivis F, Flintoft V, Bica A. Diabetes in Ontario: determination of prevalence and incidence using a validated administrative data algorithm. Diabetes Care. 2002;25(3):512–6.
Article
PubMed
Google Scholar
Jette N, Reid AY, Quan H, Hill MD, Wiebe S. How accurate is ICD coding for epilepsy? Epilepsia. 2010;51(1):62–9.
Article
PubMed
Google Scholar
Quan H, Khan N, Hemmelgarn BR, Tu K, Chen G, Campbell N, et al. Validation of a case definition to define hypertension using administrative data. Hypertension. 2009;54(6):1423–8.
Article
CAS
PubMed
Google Scholar
Austin PC, Daly PA, Tu JV. A multicenter study of the coding accuracy of hospital discharge administrative data for patients admitted to cardiac care units in Ontario. Am Heart J. 2002;144(2):290–6.
Article
PubMed
Google Scholar
Noyes K, Liu H, Holloway R, Dick AW. Accuracy of Medicare claims data in identifying Parkinsonism cases: comparison with the Medicare current beneficiary survey. Mov Disord. 2007;22(4):509–14.
Article
PubMed
Google Scholar
Fan J, Arruda-Olson AM, Leibson CL, Smith C, Liu G, Bailey KR, et al. Billing code algorithms to identify cases of peripheral artery disease from administrative data. J Am Med Inform Assoc. 2013;20(e2):e349–54.
Article
PubMed
PubMed Central
Google Scholar
Asgari MM, Wu JJ, Gelfand JM, Salman C, Curtis JR, Harrold LR, et al. Validity of diagnostic codes and prevalence of psoriasis and psoriatic arthritis in a managed care population, 1996-2009. Pharmacoepidemiol Drug Saf. 2013;22(8):842–9.
Article
PubMed
PubMed Central
Google Scholar
Lurie N, Popkin M, Dysken M, Moscovice I, Finch M. Accuracy of diagnoses of schizophrenia in Medicaid claims. Hosp Community Psychiatry. 1992;43(1):69–71.
CAS
PubMed
Google Scholar
Moscovice MF, Lurie N. Minnesota: Plan Choice by the Mentally Ill in Medicaid Prepaid Health Plans. Adv Health Econ Health Serv Res. 1989;10:265–78.
CAS
PubMed
Google Scholar
Kokotailo RA, Hill MD. Coding of stroke and stroke risk factors using international classification of diseases, revisions 9 and 10. Stroke. 2005;36(8):1776–81.
Article
PubMed
Google Scholar