Statistical control implies stable random variation about a target value that is produced by some common cause. In many manufacturing systems, the majority of the processing time is spent in the steady-state phase. Hence, it makes sense that a system is in statistical control most of the time and the operator or decision-maker should avoid introducing unnecessary variation by making adjustments...

OBJECTIVES To examine the intensity of monitoring received by important patient subgroups during high-risk periods (the 12 weeks after psychiatric hospitalization and after new antidepressant starts). DESIGN Retrospective secondary analysis of data from the Veterans Affairs (VA) National Registry for Depression using patients aged 65 and older receiving depression treatment from 1999 to 2004....

OBJECTIVE The changing effectiveness of a treatment program for dual-diagnosis patients was evaluated over a 2-year period with the use of a sequential study group design. METHOD The treatment outcome of 179 consecutively enrolled patients with chronic psychotic illness and comorbid substance dependence who entered a specialized day hospital dual-diagnosis treatment program from Sept. 1, 1994...

this report presents a case of left radial artery pseudoaneurysm developing at the previous site of invasive monitoring. the patient had prosthetic mitral valve replacement one month earlier, and anti-coagulation therapy had started on the first post-operative day. the patient’s radial artery aneurysm with a 4-centimeter diameter was resected and the radial artery was ligated.

normal 0 false false false en-us x-none ar-sa background: prolonged fasting may precipitate or exacerbate gastrointestinal complaints. the aim of this study was to evaluate the relation between ramadan fasting and acute upper gastrointestinal bleeding (augib), and to assess characteristics of those occurred in the holly month. materials and methods: retrospective analysis was conducted for all ...

OBJECTIVE To determine whether decomplexification of intracranial pressure dynamics occurs during periods of severe intracranial hypertension (intracranial pressure >25 mm Hg for >5 mins in the absence of external noxious stimuli) in pediatric patients with intracranial hypertension. DESIGN Retrospective analysis of clinical case series over a 30-month period from April 2000 through January 2...

background there is inconclusive evidence about the relationship between toothbrush wear and plaque removel. the aim of this study was to compare the effectiveness of new and 3 month-old toothbrush in the removal of dental plaque. material and methods in a randomized single blind clinical trial 63 students attended from awaz dental school. subjects were divided to three groups. plaque was score...

INTRODUCTION Asthma is a variable lung condition whereby patients experience periods of controlled and uncontrolled asthma symptoms. Patients who experience prolonged periods of uncontrolled asthma have a higher incidence of exacerbations and increased morbidity and mortality rates. The ability to determine and to predict levels of asthma control and the occurrence of exacerbations is crucial i...