PubMed

Correlation between serial tests made disease probability estimates erroneous.

van Walraven C, Austin PC, Jennings A, Forster AJ.

J Clin Epidemiol. 2009 Dec;62(12):1301-5. Epub 2009 Aug 28.PMID: 19716680 [PubMed - in process]Related articles

Individual patient meta-analysis-rewards and challenges.

van Walraven C.

J Clin Epidemiol. 2009 Jul 10. [Epub ahead of print] No abstract available. PMID: 19595573 [PubMed - as supplied by publisher]Related articles

Changes in surrogate outcomes can be translated into clinical outcomes using a Monte Carlo model.

van Walraven C, Oake N, Coyle D, Taljaard M, Forster AJ.

J Clin Epidemiol. 2009 Dec;62(12):1306-15. Epub 2009 Jul 9.PMID: 19545974 [PubMed - in process]Related articles

Interactive voice response systems for improving delivery of ambulatory care.

Oake N, Jennings A, van Walraven C, Forster AJ.

Am J Manag Care. 2009 Jun;15(6):383-91. Review.PMID: 19514804 [PubMed - indexed for MEDLINE]Related articlesFree article

When laboratories report estimated glomerular filtration rates in addition to serum creatinines, nephrology consults increase.

Jain AK, McLeod I, Huo C, Cuerden MS, Akbari A, Tonelli M, van Walraven C, Quinn RR, Hemmelgarn B, Oliver MJ, Li P, Garg AX.

Kidney Int. 2009 Aug;76(3):318-23. Epub 2009 May 13.PMID: 19436331 [PubMed - in process]Related articles

A modification of the Elixhauser comorbidity measures into a point system for hospital death using administrative data.

van Walraven C, Austin PC, Jennings A, Quan H, Forster AJ.

Med Care. 2009 Jun;47(6):626-33.PMID: 19433995 [PubMed - indexed for MEDLINE]Related articles

Effect of an interactive voice response system on oral anticoagulant management.

Oake N, van Walraven C, Rodger MA, Forster AJ.

CMAJ. 2009 Apr 28;180(9):927-33.PMID: 19398739 [PubMed - indexed for MEDLINE]Related articlesFree article

Impact of immunosuppressive medication on the risk of renal allograft failure due to recurrent glomerulonephritis.

Mulay AV, van Walraven C, Knoll GA.

Am J Transplant. 2009 Apr;9(4):804-11.PMID: 19353768 [PubMed - indexed for MEDLINE]Related articles

Effect of age on stroke prevention therapy in patients with atrial fibrillation: the atrial fibrillation investigators.

van Walraven C, Hart RG, Connolly S, Austin PC, Mant J, Hobbs FD, Koudstaal PJ, Petersen P, Perez-Gomez F, Knottnerus JA, Boode B, Ezekowitz MD, Singer DE.

Stroke. 2009 Apr;40(4):1410-6. Epub 2009 Jan 29.PMID: 19182090 [PubMed - indexed for MEDLINE]Related articles

Identifying patients with post-discharge care problems using an interactive voice response system.

Forster AJ, Boyle L, Shojania KG, Feasby TE, van Walraven C.

J Gen Intern Med. 2009 Apr;24(4):520-5. Epub 2009 Jan 21.PMID: 19156467 [PubMed - indexed for MEDLINE]Related articles

The impact of adverse events in the intensive care unit on hospital mortality and length of stay.

Forster AJ, Kyeremanteng K, Hooper J, Shojania KG, van Walraven C.

BMC Health Serv Res. 2008 Dec 17;8:259.PMID: 19091089 [PubMed - indexed for MEDLINE]Related articlesFree article

Information exchange among physicians caring for the same patient in the community.

van Walraven C, Taljaard M, Bell CM, Etchells E, Zarnke KB, Stiell IG, Forster AJ.

CMAJ. 2008 Nov 4;179(10):1013-8.PMID: 18981442 [PubMed - indexed for MEDLINE]Related articlesFree article

Anticoagulation intensity and outcomes among patients prescribed oral anticoagulant therapy: a systematic review and meta-analysis.

Oake N, Jennings A, Forster AJ, Fergusson D, Doucette S, van Walraven C.

CMAJ. 2008 Jul 29;179(3):235-44. Review.PMID: 18663203 [PubMed - indexed for MEDLINE]Related articlesFree article

Automated patient assessments after outpatient surgery using an interactive voice response system.

Forster AJ, LaBranche R, McKim R, Faught JW, Feasby TE, Janes-Kelley S, Shojania KG, van Walraven C.

Am J Manag Care. 2008 Jul;14(7):429-36.PMID: 18611094 [PubMed - indexed for MEDLINE]Related articlesFree article

Leave 'em alone - why continuous variables should be analyzed as such.

van Walraven C, Hart RG.

Neuroepidemiology. 2008;30(3):138-9. Epub 2008 Apr 17. No abstract available. PMID: 18421216 [PubMed - indexed for MEDLINE]Related articles

Outcomes of surveillance mammography after treatment of primary breast cancer: a population-based case series.

Paszat L, Sutradhar R, Grunfeld E, Gainford C, Benk V, Bondy S, Coyle D, Holloway C, Sawka C, Shumak R, Vallis K, van Walraven C.

Breast Cancer Res Treat. 2009 Mar;114(1):169-78. Epub 2008 Mar 27.PMID: 18368477 [PubMed - indexed for MEDLINE]Related articles

Maternal age and risk of stillbirth: a systematic review.

Huang L, Sauve R, Birkett N, Fergusson D, van Walraven C.

CMAJ. 2008 Jan 15;178(2):165-72. Review.PMID: 18195290 [PubMed - indexed for MEDLINE]Related articlesFree article

Real-time polymerase chain reaction detection of methicillin-resistant Staphylococcus aureus: impact on nosocomial transmission and costs.

Conterno LO, Shymanski J, Ramotar K, Toye B, van Walraven C, Coyle D, Roth VR.

Infect Control Hosp Epidemiol. 2007 Oct;28(10):1134-41. Epub 2007 Aug 10.PMID: 17828689 [PubMed - indexed for MEDLINE]Related articles

Combining ratings from multiple physician reviewers helped to overcome the uncertainty associated with adverse event classification.

Forster AJ, O'Rourke K, Shojania KG, van Walraven C.

J Clin Epidemiol. 2007 Sep;60(9):892-901. Epub 2007 Apr 8.PMID: 17689805 [PubMed - indexed for MEDLINE]Related articles

Using an interactive voice response system to improve patient safety following hospital discharge.

Forster AJ, van Walraven C.

J Eval Clin Pract. 2007 Jun;13(3):346-51.PMID: 17518797 [PubMed - indexed for MEDLINE]Related articles

Frequency of adverse events in patients with poor anticoagulation: a meta-analysis.

Oake N, Fergusson DA, Forster AJ, van Walraven C.

CMAJ. 2007 May 22;176(11):1589-94. Review. Erratum in: CMAJ. 2007 Jul 31;177(3):271. PMID: 17515585 [PubMed - indexed for MEDLINE]Related articlesFree article

Bias in revascularization study.

van Walraven C, Forster AJ.

CMAJ. 2007 Apr 10;176(8):1125; author reply 1125. No abstract available. PMID: 17420498 [PubMed - indexed for MEDLINE]Related articlesFree article

Anticoagulation control in the peri-hospitalization period.

van Walraven C, Forster AJ.

J Gen Intern Med. 2007 Jun;22(6):727-35. Epub 2007 Mar 31.PMID: 17401605 [PubMed - indexed for MEDLINE]Related articlesFree article

Maintaining continuity of care: a look at the quality of communication between Ontario emergency departments and community physicians.

Stiell AP, Forster AJ, Stiell IG, van Walraven C.

CJEM. 2005 May;7(3):155-61.PMID: 17355671 [PubMed - in process]Related articlesFree article

Burden of potentially avoidable anticoagulant-associated hemorrhagic and thromboembolic events in the elderly.

van Walraven C, Oake N, Wells PS, Forster AJ.

Chest. 2007 May;131(5):1508-15. Epub 2007 Feb 22.PMID: 17317732 [PubMed - indexed for MEDLINE]Related articlesFree article

Adverse events following an emergency department visit.

Forster AJ, Rose NG, van Walraven C, Stiell I.

Qual Saf Health Care. 2007 Feb;16(1):17-22.PMID: 17301197 [PubMed - indexed for MEDLINE]Related articles

Transition of care for hospitalized elderly patients--development of a discharge checklist for hospitalists.

Halasyamani L, Kripalani S, Coleman E, Schnipper J, van Walraven C, Nagamine J, Torcson P, Bookwalter T, Budnitz T, Manning D.

J Hosp Med. 2006 Nov;1(6):354-60. Review.PMID: 17219528 [PubMed - indexed for MEDLINE]Related articles

Quantifying the impact of survivor treatment bias in observational studies.

Austin PC, Mamdani MM, van Walraven C, Tu JV.

J Eval Clin Pract. 2006 Dec;12(6):601-12.PMID: 17100859 [PubMed - indexed for MEDLINE]Related articles

Adverse events detected by clinical surveillance on an obstetric service.

Forster AJ, Fung I, Caughey S, Oppenheimer L, Beach C, Shojania KG, van Walraven C.

Obstet Gynecol. 2006 Nov;108(5):1073-83.PMID: 17077227 [PubMed - indexed for MEDLINE]Related articles

Effect of provider continuity on test repetition.

van Walraven C, Cernat G, Austin PC.

Clin Chem. 2006 Dec;52(12):2219-28. Epub 2006 Oct 19.PMID: 17053154 [PubMed - indexed for MEDLINE]Related articlesFree article

Additive role of plasma von Willebrand factor levels to clinical factors for risk stratification of patients with atrial fibrillation.

Lip GY, Lane D, Van Walraven C, Hart RG.

Stroke. 2006 Sep;37(9):2294-300. Epub 2006 Aug 3. Erratum in: Stroke. 2006 Sep;37(9):2444. PMID: 16888271 [PubMed - indexed for MEDLINE]Related articlesFree article

The effect of hospitalization on oral anticoagulation control: a population-based study.

van Walraven C, Austin PC, Oake N, Wells P, Mamdani M, Forster AJ.

Thromb Res. 2007;119(6):705-14. Epub 2006 Jul 17.PMID: 16844204 [PubMed - indexed for MEDLINE]Related articles

Effect of study setting on anticoagulation control: a systematic review and metaregression.

van Walraven C, Jennings A, Oake N, Fergusson D, Forster AJ.

Chest. 2006 May;129(5):1155-66. Review.PMID: 16685005 [PubMed - indexed for MEDLINE]Related articlesFree article

Utilization and outcomes of HbA1c testing: a population-based study.

Woodward G, van Walraven C, Hux JE.

CMAJ. 2006 Jan 31;174(3):327-9. No abstract available. PMID: 16446473 [PubMed - indexed for MEDLINE]Related articlesFree article

Diabetic patients with prior specialist care have better glycaemic control than those with prior primary care.

Shah BR, Hux JE, Laupacis A, Mdcm BZ, Austin PC, van Walraven C.

J Eval Clin Pract. 2005 Dec;11(6):568-75.PMID: 16364110 [PubMed - indexed for MEDLINE]Related articles

Improving patient safety: moving beyond the "hype" of medical errors.

Forster AJ, Shojania KG, van Walraven C.

CMAJ. 2005 Oct 11;173(8):893-4. No abstract available. PMID: 16217112 [PubMed - indexed for MEDLINE]Related articlesFree article

Effect of a nurse team coordinator on outcomes for hospitalized medicine patients.

Forster AJ, Clark HD, Menard A, Dupuis N, Chernish R, Chandok N, Khan A, Letourneau M, van Walraven C.

Am J Med. 2005 Oct;118(10):1148-53.PMID: 16194647 [PubMed - indexed for MEDLINE]Related articles

Accuracy of coding for possible warfarin complications in hospital discharge abstracts.

Arnason T, Wells PS, van Walraven C, Forster AJ.

Thromb Res. 2006;118(2):253-62. Epub 2005 Aug 2.PMID: 16081144 [PubMed - indexed for MEDLINE]Related articles

Identifying individuals with a reduced GFR using ambulatory laboratory database surveillance.

Garg AX, Mamdani M, Juurlink DN, van Walraven C; Network of Eastern Ontario Medical Laboratories (NEO-MeL).

J Am Soc Nephrol. 2005 May;16(5):1433-9. Epub 2005 Mar 30.PMID: 15800126 [PubMed - indexed for MEDLINE]Related articlesFree article

Clinical inertia in response to inadequate glycemic control: do specialists differ from primary care physicians?

Shah BR, Hux JE, Laupacis A, Zinman B, van Walraven C.

Diabetes Care. 2005 Mar;28(3):600-6.PMID: 15735195 [PubMed - indexed for MEDLINE]Related articlesFree article

Impact of specialist follow-up in outpatients with congestive heart failure.

Ezekowitz JA, van Walraven C, McAlister FA, Armstrong PW, Kaul P.

CMAJ. 2005 Jan 18;172(2):189-94.PMID: 15655239 [PubMed - indexed for MEDLINE]Related articlesFree article

Validation of a discharge summary term search method to detect adverse events.

Forster AJ, Andrade J, van Walraven C.

J Am Med Inform Assoc. 2005 Mar-Apr;12(2):200-6. Epub 2004 Nov 23.PMID: 15561788 [PubMed - indexed for MEDLINE]Related articlesFree article

Selecting patients with atrial fibrillation for anticoagulation: stroke risk stratification in patients taking aspirin.

Gage BF, van Walraven C, Pearce L, Hart RG, Koudstaal PJ, Boode BS, Petersen P.

Circulation. 2004 Oct 19;110(16):2287-92. Epub 2004 Oct 11.PMID: 15477396 [PubMed - indexed for MEDLINE]Related articlesFree article

Time-dependent bias was common in survival analyses published in leading clinical journals.

van Walraven C, Davis D, Forster AJ, Wells GA.

J Clin Epidemiol. 2004 Jul;57(7):672-82. Review.PMID: 15358395 [PubMed - indexed for MEDLINE]Related articles

Continuity of care and patient outcomes after hospital discharge.

van Walraven C, Mamdani M, Fang J, Austin PC.

J Gen Intern Med. 2004 Jun;19(6):624-31.PMID: 15209600 [PubMed - indexed for MEDLINE]Related articlesFree article

Ximelagatran was noninferior to warfarin in preventing stroke and systemic embolism in atrial fibrillation.

Van Walraven C.

ACP J Club. 2004 Mar-Apr;140(2):39. No abstract available. PMID: 15122859 [PubMed]Related articles

Ottawa Hospital Patient Safety Study: incidence and timing of adverse events in patients admitted to a Canadian teaching hospital.

Forster AJ, Asmis TR, Clark HD, Al Saied G, Code CC, Caughey SC, Baker K, Watters J, Worthington J, van Walraven C; Ottawa Hospital Patient Safety Study.

CMAJ. 2004 Apr 13;170(8):1235-40.PMID: 15078845 [PubMed - indexed for MEDLINE]Related articlesFree article

Oral anticoagulants vs. aspirin for stroke prevention in patients with non-valvular atrial fibrillation: the verdict is in.

van Walraven C, Hart RG, Singer DE, Koudstaal PJ, Connolly S.

Card Electrophysiol Rev. 2003 Dec;7(4):374-8. Review.PMID: 15071258 [PubMed - indexed for MEDLINE]Related articles

Surveillance mammography after treatment of primary breast cancer: a systematic review.

Grunfeld E, Noorani H, McGahan L, Paszat L, Coyle D, van Walraven C, Joyce J, Sawka C.

Breast. 2002 Jun;11(3):228-35.PMID: 14965672 [PubMed]Related articles

Risk of intracerebral hemorrhage in patients with arterial versus cardiac origin of cerebral ischemia on aspirin or placebo: analysis of individual patient data from 9 trials.

Ariesen MJ, Algra A, Koudstaal PJ, Rothwell PM, van Walraven C; AFASAK Trial Investigators; DTT Trial Investigators; PATAF Trial Investigators; EAFT Trial Investigators; SPAF Trial Investigators; SPIRIT Trial Investigators; UKTIA Trial Investigators.

Stroke. 2004 Mar;35(3):710-4. Epub 2004 Feb 5. Review.PMID: 14764931 [PubMed - indexed for MEDLINE]Related articlesFree article