background the prognostic value of blood culture testing in the diagnosis of bacteremia is limited by contamination. objectives in this multicenter study, the aim was to evaluate the contamination rates of blood cultures as well as the parameters that affect the culture results. materials and methods sample collection practices and culture data obtained from 16 university/research hospitals wer...

Melissa A. Clark, PhD Department of Community Health, Brown University, Program in Public Health, Providence RI The paper by Chou et al. (“Methods for measuring personal costs associated with vision impairment.”)1 in this issue of Ophthalmic Epidemiology is their second paper on this subject, now using a full year of diary data on the cost of blindness, collected in Australia. Their first paper...

Field drying trials were conducted using both field baskets as well as grab sampling techniques to study drying behaviour of switchgrass and maize (corn) stover (CS). Environmental conditions such as hourly solar radiation, vapour pressure deficit (VPD), average wind speed, rainfall amount, harvesting method, and field operations such as swath density were used as variables for model developmen...

We study how a manufacturer’s recycled content claim decision is impacted by demand for recycled content through environmentally preferable purchasing (EPP) programs and supply uncertainty. We model a manufacturer making a recycled content commitment that can commit to a minimum recycled content that holds for every period (product specific claim), or an average recycled content across periods ...

OBJECTIVES Pre-analytical error decisively influences the total error and consequently the diagnostic accuracy. The following were the objectives for the study: 1. To detect the percent of pre-analytical errors in clinical biochemistry laboratory. 2. To categorize these pre-analytical errors. 3. To formulate corrective measures to be taken to avoid such errors. DESIGN AND METHODS Study period...

The objective of the present study was to perform a spectral analysis of the electrical activity of the left colon of patients with hepatosplenic schistosomiasis. Thirty patients were studied, divided into 2 groups: group A was composed of 14 patients (9 males and 5 females) with hepatosplenic schistosomiasis and group B was composed of 16 female patients without schistosomiasis mansoni. Three ...

Efficient working capital management is of vital importance for companies to reach their goals, work at full capacity, and sustain growth in a profitable way. In this study, the 2010-2018 quarterly data 102 manufacturing operating on BIST have been analyzed through panel analysis. This study reveals that there negative relation between ROA, which taken as profitability metric, Days Sales Outsta...