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Publicaties

Nationaal

Schuling J, Voorham J, Haaijer FM, Denig P. Effects of a patient oriented decision aid for prioritising treatment goals in diabetes: pragmatic randomised controlled trial]. Ned Tijdschr Geneeskd. 2015;159:A8691. Dutch.

Voorham J, Haaijer-Ruskamp FM, van der Meer K, de Zeeuw D, Wolffenbuttel BHR, Hoogenberg K, Denig P. Kwaliteit van de behandeling van type 2-diabetes: resultaten van het GIANTT-project 2004-2007. Nederlands Tijdschrift voor Geneeskunde 2010 154:4 (159-166).

Haaijer-Ruskamp FM, Voorham J, Denig P, GIANTT groep Groningen. Evaluatie van kwaliteit van diabeteszorg op basis van het HIS. Patient Care 2007, 34 (3): 56-60.

Voorham J, Denig P, GIANTT groep. Evaluatie van de kwaliteit van zorg voor type 2 diabetes op basis van automatische gegevensextractie uit deels ongestructureerde EPDs. (congresboek 16e EZD symposium, Ede, 26 sept 2006)

Denig P, c.s. Reusachtige inzichten: GIANTT-project brengt kwaliteit diabeteszorg in beeld. Medisch Contact 2006; 61:1799-1802.

 

Internationaal

2017

Smits KP, Sidorenkov G, Kleefstra N, Bouma M, Meulepas M, Voorham J, Navis G, Bilo HJ, Denig P. Development and validation of prescribing quality indicators for patients with type 2 diabetes. Int J Clin Pract. 2017 Jan 71(1)

2016

Pouwels KB, Voorham J, Hak E, Denig P. Identification of major cardiovascular events in patients with diabetes using primary care data. BMC Health Serv Res. 2016 Apr 2;16(1):110

Cho YY, Sidorenkov G, Denig P. Role of Patient and Practice Characteristics in Variance of Treatment Quality in Type 2 Diabetes between General Practices. PLoS One 2016;11(11):e0166012

Huang Y, Haaijer-Ruskamp FM, Voorham J.Comparing the effect of angiotensin-converting enzyme inhibitors and angiotensin receptor blockers on renal function decline in diabetes. J Comp Eff Res. 2016 May;5(3):229-37

Huang Y, Voorham J, Haaijer-Ruskamp FM.Using primary care electronic health record data for comparative effectiveness research: experience of data quality assessment and preprocessing in The Netherlands. J Comp Eff Res. 2016 Jul;5(4):345-54

Martono DP, Hak E, Lambers Heerspink H, Wilffert B, Denig P.Predictors of HbA1c levels in patients initiating metformin. Curr Med Res Opin 2016;32(12):2021-2028

de Vries FM, Voorham J, Hak E, Denig P. Prescribing patterns, adherence and LDL- cholesterol response of type 2 diabetes patients initiating statin on low-dose versus standard-dose treatment: a descriptive study. IJCP 2016;70(6):482-92

Smits KP, Sidorenkov G, Bilo HJ, Bouma M, van Ittersum FJ, Voorham J, Navis GJ, Denig P. Development and initial validation of prescribing quality indicators for patients with chronic kidney disease. Nephrol Dial Transplant.2016 Jan 6. pii: gfv420.


2015

de Vries FM, Voorham J, Hak E, Denig P. Adherence to standard-dose or low-dose statin treatment and low-density lipoprotein cholesterol response in type 2 diabetes patients. Curr Med Res Opin. 2015 Dec;31(12):2197-206.
 

2014

de Vries ST, Voorham J, Haaijer-Ruskamp FM, Denig P. Potential overtreatment and undertreatment of diabetes in different patient age groups in primary care after the introduction of performance measures. Diabetes Care. 2014 May;37(5):1312-20

 Denig P, Schuling J, Haaijer-Ruskamp FM, Voorham J. Effects of a patient-oriented decision aid for prioritising treatment goals in diabetes: pragmatic randomised controlled trial. BMJ. 2014 Sep 25;349:g5651.

de Vries ST, Keers JC, Visser R, de Zeeuw D, Haaijer-Ruskamp FM, Voorham J, Denig P. Medication beliefs, treatment complexity, and non-adherence to different drug classes in patients with type 2 diabetes. J Psychosom Res. 2014 Feb;76(2):134-8. (PDF)

2013

Sidorenkov G, Voorham J, de Zeeuw D, Haaijer-Ruskamp FM, Denig P. Do treatment quality indicators predict cardiovascular outcomes in patients with diabetes? PLoS One. 2013 Oct 30;8(10):e78821. (PDF)

Sidorenkov G, Voorham J, de Zeeuw D, Haaijer-Ruskamp FM, Denig P. Treatment quality indicators predict short-term outcomes in patients with diabetes: a prospective cohort study using the GIANTT database. BMJ Qual Saf. 2013 Apr;22(4):339-47. (PDF)

Elissen AM, Adams JL, Spreeuwenberg M, Duimel-Peeters IG, Spreeuwenberg C, Linden A, Vrijhoef HJ. Advancing current approaches to disease management evaluation: capitalizing on heterogeneity to understand what works and for whom. BMC Med Res Methodol. 2013 Mar 14;13(1):40.

Hellemons ME, Denig P, de Zeeuw D, Voorham J, Lambers Heerspink HJ. Is albuminuria screening and treatment optimal in patients with type 2 diabetes in primary care? Observational data of the GIANTT cohort. Nephrol Dial Transplant. 2013 Mar;28(3):706-15. (PDF)

Sidorenkov G, Voorham J, Haaijer-Ruskamp FM, de Zeeuw D, Denig P. Association between performance measures and glycemic control among patients with diabetes in a community-wide primary care cohort. Med Care. 2013 Feb;51(2):172-9. (PDF)

2012

Denig P, Dun M, Schuling J, de Zeeuw D, Haaijer-Ruskamp FM, Voorham J. Design and effect of a patient-oriented treatment decision aid for risk factor management in patients with diabetes (PORTDA-diab): protocol for a pragmatic, randomised trial. Trials 2012;13(1):219.

de Vries FM, Denig P, Pouwels KB, Postma MJ, Hak E. Primary prevention of major cardiovascular and cerebrovascular events with statins in diabetes patients: a meta-analysis. Drugs 2012 Dec 24;72(18):2365-73

Martirosyan L, Haaijer-Ruskamp FM, Braspenning J, Denig P. Development of a minimal set of prescribing quality indicators for diabetes management on a general practice level. Pharmacoepidemiol Drug Saf. 2012; 21(10): 1053-9.

Voorham J, Haaijer-Ruskamp FM, Stolk RP, Wolffenbuttel BHR, Denig P. Differential effects of comorbidity on antihypertensive and glucose-regulating treatment in diabetes mellitus - a cohort study. PLoS One 2012;7(6):e38707.

Martirosyan L, Markhorst J, Denig P, Haaijer-Ruskamp FM, Braspenning J. A pilot qualitative study to explore stakeholder opinions regarding prescribing quality indicators. BMC Health Services Research 2012; 12: e191.

Elissen AMJ, Duimel-Peeters IGP, Spreeuwenberg C, Spreeuwenberg M, Vrijhoef HJM. Toward tailored disease management for type 2 diabetes. Am J Manag Care. 2012;18(10):619-630.

Härmark L, Alberts S, van Puijenbroek E, Denig P, van Grootheest K.
Representativeness of diabetes patients participating in a web-based adverse drug reaction monitoring system. Pharmacoepi & Drug Safety 2012,
Aug 30. doi: 10.1002/pds.3341. [Epub ahead of print]

Voorham J, Haaijer-Ruskamp FM, Stolk RP, Wolffenbuttel BHR, Denig P. Differential effects of comorbidity on antihypertensive and glucose-regulating treatment in diabetes mellitus - a cohort study. PLoS One 2012;7(6):e38707.

2011

Sidorenkov G, Haaijer-Ruskamp FM, de Zeeuw D, Denig P. A longitudinal study examining adherence to guidelines in diabetes care according to different definitions of adequacy and timeliness. PLoS One. 2011;6(9):e24278. Epub 2011 Sep 8.

Sidorenkov G, Haaijer-Ruskamp FM, de Zeeuw D, Bilo H, Denig P. Review: relation between quality-of-care indicators for diabetes and patient outcomes: a systematic literature review. Med Care Res Rev. 2011 Jun;68(3):263-89.

Voorham J, Haaijer-Ruskamp FM, Wolffenbuttel BH, Stolk RP, Denig P; Groningen Initiative to Analyze Type 2 Diabetes Treatment Group. Medication adherence affects treatment modifications in patients with type 2 diabetes. Clin Ther. 2011 Jan;33(1):121-34.

2010

Voorham J, Haaijer-Ruskamp FM, van der Meer K, de Zeeuw D, Wolffenbuttel BH, Hoogenberg K, Denig P; GIANTT-Group. Identifying targets to improve treatment in type 2 diabetes; the Groningen Initiative to aNalyse Type 2 diabetes Treatment (GIANTT) observational study. Pharmacoepidemiol Drug Saf. 2010 Oct;19(10):1078-86.

Voorham J, Haaijer-Ruskamp FM, Wolffenbuttel BH, Stolk RP, Denig P; Groningen Initiative to Analyse Type 2 Diabetes Treatment (GIANTT) Group. Cardiometabolic treatment decisions in patients with type 2 diabetes: the role of repeated measurements and medication burden. Qual Saf Health Care. 2010 Oct;19(5):411-5.

Martirosyan L, Arah OA, Haaijer-Ruskamp FM, Braspenning J, Denig P. Methods to identify the target population: implications for prescribing quality indicators. BMC Health Serv Res. 2010 May 26;10:137.

Martirosyan L, Voorham J, Haaijer-Ruskamp FM, Wolffenbuttel BHR, Denig P. A systematic literature review: Prescribing quality indicators for type 2 diabetes mellitus and cardiovascular risk management. Pharmacoepidemiology Drug Safety 2010 Apr;19(4):319-34.

2009

AB E, Denig P, van Vliet T, Dekker JH. Reasons of general practitioners for not prescribing lipid-lowering medication to diabetes mellitus type II patients: a qualitative study. BMC Fam Practice 2009, Apr 21;10:24.

Vink NM, Klungel OH, Stolk RP, Denig P. Comparison of various measures for assessing medication refill adherence using prescription data. Pharmacoepidemiol Drug Saf. 2009 Feb;18(2):159-65.

2008

Voorham J, Denig P, Wolffenbuttel BHR, Haaijer-Ruskamp FM. Cross-sectional versus sequential quality indicators of risk factor management in patients with type 2 diabetes. Med.Care 2008 Feb;46(2):133-41.

Voorham J, Haaijer-Ruskamp FM, Stolk RP, Wolffenbuttel BHR, Denig P; Groningen Initiative to Analyze Type 2 Diabetes Treatment Group. The influence of elevated cardiometabolic risk factor levels on treatment changes in type 2 diabetes. Diabetes Care 2008 Mar;31(3):501-3.

Martirosyan L, Braspenning J, Denig P, de Grauw WJC, Bouma M, Storms F, Haaijer-Ruskamp FM. Prescribing quality indicators of type 2 diabetes mellitus ambulatory care. Qual Safety Health care 2008;17:318-23

2007

Voorham J, Denig P, on behalf of GIANTT. Computerized extraction of information on the quality of diabetes care from free text in electronic patient records of general practitioners. J Am Med Inform Assoc. 2007 May-Jun;14(3):349-54. Epub 2007 Feb 28.