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We develop a model that expresses the joint impact of spatial resolution s and JPEG compression quality factor qf on immersive image quality. The model is expressed as the product of optimized exponential functions of these factors. The model is tested on a subjective database of immersive image contents rendered on a head mounted display (HMD). High Pearson correlation and Spearman correlation (> 0.95) and small relative root mean squared error (< 5.6%) are achieved between the model predictions and the subjective quality judgements. The immersive ground-truth images along with the rest of the database are made available for future research and comparisons.

A 4-day-old baby was admitted with a large posterior fontanelle encephalocele. The baby was the third child of a consanguineous marriage. Two older siblings, 5 and 3 years old, were normal. The baby had a small head with a circumference of 30 cm only and an encephalocele with a circumference of 37 cm. The baby was active and there was no other neural tube defect or any other congenital anomalies. Noncontrast CT scan of the head with bone window showed a large posteriorly located encephalocele above the occipital bone, containing a small amount of brain tissue and a large volume of CSF. The baby was operated on in the lateral position and the encephalocele was excised. The dural defect was closed directly. The baby had an uneventful postoperative recovery. Twenty months later, the baby was well with no gross neurological deficits

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ObjectiveTo determine the prevalence of non-communicable disease (NCD) risk factors among nurses and para-health professionals (PHPs) working at primary healthcare centres in Bangladesh. In addition to this, we also investigated the association of these risk factors with the categories of health professions.DesignCross-sectional study and the sampling technique was a census.SettingThe study site was a medical university of Bangladesh where the study population was recruited by NCD Control Programme of Directorate General of Health Services to participate in a 3-day training session from November 2017 to May 2018.ParticipantsA total of 1942 government-employed senior staff nurses (SSNs) and PHPs working at Upazila Health Complexes.Primary and secondary outcome measuresThe data were collected using a modified STEPwise approach to NCD risk factors surveillance questionnaire of the World Health Organisation (V.3.2). The prevalence of NCD risk factors was presented descriptively and the χ² test was used to determine the association between NCD risk factors distribution and categories of health professions.ResultsThe mean age of the participants was 37.6 years (SD 9.5) and most of them (87.6%) had a diploma in their respective fields. Physical inactivity (86.9%), inadequate fruits and/vegetable intake (56.3%) and added salt intake (35.6%) were the most prevalent behavioural risk factors. The prevalence of central obesity, overweight, raised blood glucose and raised BP were 83.5%, 42.6%, 19.2% and 12.8% respectively. Overall, the NCD risk factors prevalence was higher among PHPs compared with SSNs. A highly significant association (p<0.001) was found between risk factors and the categories of health professions for tobacco use, alcohol intake, added salt intake and physical inactivity.ConclusionHigh NCD risk factors prevalence and its significant association with SSNs and PHPs demand an appropriate risk-reduction strategy to minimise the possibility of chronic illness among them.

SynopsisSuitable choice of monomer/nonsolvent and monomer plus solvent/nonsolvent ratios affords a very simple and convenient laboratory scale method for the synthesis of functionalized crosslinked polymers suitable as polymeric supports in a wide variety of applications. The method involves an initially homogeneous solution polymerization which, because of the presence of nonsolvents ultimately produces insoluble, particulate (i.e., nonswollen) resin. Advantages over the usual suspension polymerization processes include the absence of stabilizers and suspension agents and complete freedom to utilize water soluble or water insoluble monomers, or mixtures of the two. Reaction conditions must be determined experimentally for individual systems and a number of representative examples are given.