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BACKGROUND There is a need for brief instruments to ascertain the diagnosis of major depressive disorder. In this study, we present the reliability, construct validity and accuracy of the PHQ-9 and PHQ-2 to detect major depressive disorder in primary care. METHODS Cross-sectional analyses within a large prospective cohort study (PREDICT-NL). Data was(More)
OBJECTIVE To determine which clinical variables provide diagnostic information in recognising heart failure in primary care patients with stable chronic obstructive pulmonary disease (COPD) and whether easily available tests provide added diagnostic information. DESIGN Cross sectional diagnostic study. SETTING 51 primary care practices. PARTICIPANTS(More)
BACKGROUND Untreated postoperative urinary retention can result in permanent lower urinary tract dysfunction and can be prevented by timely bladder catheterization. The author hypothesized that the incidence of postoperative bladder catheterization can be decreased by using the patient's own maximum bladder capacity (MBC) instead of a fixed bladder volume(More)
We sought to predict neonatal metabolic acidosis at birth using antepartum obstetric characteristics (model 1) and additional characteristics available during labor (model 2). In 5667 laboring women from a multicenter randomized trial that had a high-risk singleton pregnancy in cephalic presentation beyond 36 weeks of gestation, we predicted neonatal(More)
BACKGROUND Physicians avoid the use of beta-blockers in patients with chronic obstructive pulmonary disease (COPD) and concurrent cardiovascular disease because of concerns about adverse pulmonary effects. We assessed the long-term effect of beta-blocker use on survival and exacerbations in patients with COPD. METHODS An observational cohort study using(More)
OBJECTIVE To estimate the effectiveness of intrapartum fetal monitoring by cardiotocography plus ST analysis using a strict protocol for performance of fetal blood sampling. METHODS We performed a multicenter randomized trial among laboring women with a high-risk singleton pregnancy in cephalic presentation beyond 36 weeks of gestation. Participants were(More)
BACKGROUND We investigated the reporting and methods of prediction studies, focusing on aims, designs, participant selection, outcomes, predictors, statistical power, statistical methods, and predictive performance measures. METHODS AND FINDINGS We used a full hand search to identify all prediction studies published in 2008 in six high impact general(More)
Postherpetic neuralgia (PHN) is the most frequent complication of herpes zoster (HZ) and difficult to treat. Timely identification of high-risk HZ-patients enables physicians to focus on PHN prevention. To assess which simple to measure factors are independent predictors of PHN, and whether psychosocial and serological/virological parameters have additional(More)
OBJECTIVES To quantify the diagnostic accuracy of selected inflammatory markers in addition to symptoms and signs for predicting pneumonia and to derive a diagnostic tool. DESIGN Diagnostic study performed between 2007 and 2010. Participants had their history taken, underwent physical examination and measurement of C reactive protein (CRP) and(More)
BACKGROUND Today quantitative information about the type of complications and their incidence during long-term pacemaker (PM) follow-up is scarce. OBJECTIVE To assess the incidence and determinants of short- and long-term complications after first pacemaker implantation for bradycardia. METHODS A prospective multicenter cohort study (the FOLLOWPACE(More)