Peter N P A Zuithoff

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OBJECTIVE To assess the clinimetric value of the Dutch version of the Foot Function Index (FFI) in comparison with the original FFI using verbal rating scales (FFI-5pt) rather than visual analog scales (VAS). METHODS A prospective study was performed on 206 patients with nontraumatic forefoot complaints. Scoring, internal consistency, and construct(More)
Many diabetic patients in general practice do not achieve good glycaemic control. The aim of this study was to assess which characteristics of type 2 diabetes patients treated in primary care predict poor glycaemic control (HbA1c≥ 7%). Data were collected from the medical records. 1641 patients were included who had mean HbA1c 7.1(SD 1.7)%, and 42% had(More)
BACKGROUND The interest in prognostic reviews is increasing, but to properly review existing evidence an accurate search filer for finding prediction research is needed. The aim of this paper was to validate and update two previously introduced search filters for finding prediction research in Medline: the Ingui filter and the Haynes Broad filter. (More)
PURPOSE To examine the validity of a written knowledge test of skills for performance on an OSCE in postgraduate training for general practice. METHODS A randomly-selected sample of 47 trainees in general practice took a knowledge test of skills, a general knowledge test and an OSCE. The OSCE included technical stations and stations including complete(More)
BACKGROUND AND AIMS Non-adherence is considered a major barrier to better outcomes of diabetes care. A relationship has been established between polypharmacy and patients' adherence. This study aims to investigate the occurrence of polypharmacy and non-adherence in general practice, their mutual relationship and the association between adherence and the(More)
BACKGROUND Viral respiratory infections, particularly human rhinovirus (HRV) infections, are the most common cause of asthma exacerbation. HRV infections usually lead to more severe and longer duration of lower respiratory tract (LRT) symptoms in asthmatics than in otherwise healthy individuals. However, the exact mechanism by which viruses contribute to(More)
BACKGROUND In diabetes care, knowledge about what is achievable in primary and secondary care is important. There is a need for an objective method to assess the quality of care in different settings. A quality-of-care summary score has been developed based on process and outcome measures. An adapted version of this score was used to evaluate diabetes(More)
OBJECTIVE To examine the increase in self-perceived clinical competence during a three-year postgraduate training in general practice and to explore the relation between the growth of self-perceived competence and several background variables. DESIGN Cohort, 1995-1998. SETTING Three-year Postgraduate Training for General practice in the Netherlands (More)
OBJECTIVE To evaluate the effects of insulin 30/70 twice daily or bedtime isophane (NPH) insulin plus continued sulfonylurea and metformin in patients with type 2 diabetes in primary care. STUDY DESIGN Open-label, randomized trial. POPULATION Persons younger than 76 years with type 2 diabetes whose disease had not been controlled with oral hypoglycemic(More)
OBJECTIVES To evaluate if pre-pregnancy body mass index (BMI) determines blood pressure throughout pregnancy and to explore the role of gestational weight gain in this association. In addition, the effects of pre-pregnancy BMI and gestational weight gain on the occurrence of gestational hypertension and pre-eclampsia were investigated. DESIGN Prospective(More)