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Xander Koolman

Explore the profile of Xander Koolman including associated specialties, affiliations and a list of published articles. Areas
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Articles 47
Citations 1184
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Recent Articles
1.
de Weerdt V, Willems H, Hofstra G, Repping S, Koolman X, van der Hijden E
BMJ Open Qual . 2025 Mar; 14(1). PMID: 40050038
Introduction: Comparative effectiveness research (CER) often fails to create quality improvement since implementation of CER results in clinical practice is lacking. Claims-based Audit & Feedback (A&F) provides a resource efficient...
2.
Vink M, Portrait F, van Wezep T, Koolman X, Mol B, van der Hijden E
BMC Prim Care . 2024 Aug; 25(1):294. PMID: 39127618
Background: Rising health care costs are a major concern in most Western countries. The substitution of healthcare stands as a strategic approach aimed at mitigating costs while offering medical services...
3.
Vink M, Portrait F, Hehenkamp W, van Wezep T, Koolman X, Bongers M, et al.
Acta Obstet Gynecol Scand . 2024 Apr; 103(7):1292-1301. PMID: 38629485
Introduction: Many women experience bleeding disorders that may have an anatomical or unexplained origin. Although hysterectomy is the most definitive and common treatment, it is highly invasive and resource-intensive. Less...
4.
Stadhouders N, Koolman X, Tanke M, Maarse H, Jeurissen P
Int J Health Policy Manag . 2024 Apr; 12:7506. PMID: 38618807
Background: Purchasing systems aim to improve resource allocation in healthcare markets. The Netherlands is characterized by four different purchasing systems: managed competition in the hospital market, a non-competitive single payer...
5.
Schippa L, Gaspar K, van der Hijden E, Koolman X
BMC Health Serv Res . 2023 Dec; 23(1):1329. PMID: 38037102
Background: Unwarranted practice variation refers to regional differences in treatments that are not driven by patients' medical needs or preferences. Although it is the subject of numerous studies, most research...
6.
Gaspar K, Croes R, Mikkers M, Koolman X
Eur J Health Econ . 2023 Aug; 25(5):731-741. PMID: 37556021
Non-linear reimbursement contracts in healthcare have been increasingly used to quantify providers' responses to financial incentives. In the present research, we utilize a large one-off increase in the reimbursement of...
7.
Vink M, Hofstra G, Koolman X, Bekkers R, Siebers A, van Kemenade F, et al.
Prev Med Rep . 2023 Feb; 32:102134. PMID: 36852310
Research into the quality of cancer screening programs often lacks the perspective of clinicians, missing insights into the performance of individual hospitals. This retrospective cohort study aimed to identify guideline...
8.
Vink M, Portrait F, van Wezep T, Koolman X, Mol B, Bongers M, et al.
Eur J Obstet Gynecol Reprod Biol . 2023 Feb; 283:6-12. PMID: 36746074
Introduction: Heavy menstrual bleeding (HMB) affects a quarter of all women, with half having no structural cause. Dutch guidelines recommend a stepped care approach to the management of such idiopathic...
9.
Salampessy B, Ikkersheim D, Portrait F, Koolman X
BMC Health Serv Res . 2022 Sep; 22(1):1136. PMID: 36076226
Background: In patient choice, patients are expected to select the provider that best fits their preferences. In this study, we assess to what extent the hospital choice of patients in...
10.
Steenhuis S, Hofstra G, Portrait F, Amankour F, Koolman X, van der Hijden E
BMC Health Serv Res . 2022 Aug; 22(1):1061. PMID: 35986285
Background: One of the most significant challenges of implementing a multi-provider bundled payment contract is to determine an appropriate, casemix-adjusted total bundle price. The most frequently used approach is to...