Effie Papageorgiou

Learn More
INTRODUCTION The purpose of this study was to examine the associations between resting blood pressure (BP), smoking, physical activity (PA) and body mass index (BMI) in Greek young adults. MATERIALS AND METHODOLOGY A standardised questionnaire and the Greek version of IPAQ-short were given to 1500 randomly selected health science students, in order to(More)
A parallel (2, n – 2)-system is investigated here where two units start their operation simultaneously and any one of them is replaced instantaneously upon its failure by one of the (2; n – 2) warm standbys. We assume availability of n non-identical, non-repairable units. The unit-lifetimes in full operational mode and in partial operational mode have(More)
Fatigue in multiple sclerosis (MS) may be attributed to a variety of biological and psychological factors. Scales addressing the multidimensionality of fatigue are used in MS evaluation, although adequacy of data on their reliability and validity is questionable. The aim of the present study was to provide evidence for the validity and reliability of the(More)
Here we examine an active redundant system with scheduled starting times of the units. We assume availability of n non-identical, non-repairable units for replacement or support. The original unit starts its operation at time s 1 = 0 and each one of the (n À 1) standbys starts its operation at scheduled time s i (i = 2,.. ., n) and works in parallel with(More)
OBJECTIVES To examine the profile of regular attenders to an accident and emergency (A&E) department, and to estimate the percentage of the overall departmental workload attributed to this group of patients, together with the resultant cost to the department of these attendances. METHODS A retrospective study of regular attenders to the A&E department at(More)
  • 1