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481
The Triple “S” Impact of COVID-19: Nationwide Evidence of the Impact of the Stress Associated With Restrictive Measures on Substance Use, Sleep, and Social Connectedness in Qatar...
Published 2023“…Of tobacco users in our sample, 36% reported increased tobacco use since the start of home confinement, while 41.6% of alcohol users reported decreased alcohol use. Concerning sleep, 46.1% reported an increase in average sleep duration per day (0.77 h mean increase, 95% CI: 0.66-0.88, P<0.001), and a third of participants reported poorer sleep quality. …”
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482
Healthcare Professionals' Attitudes Toward Patients With Mental Illness: A Cross-Sectional Study in Qatar
Published 2022“…</p> <h3>Results</h3> <p>A total of 406 nurses and 92 doctors participated in the study. The nurses' mean MICA score was significantly higher than that of the physicians. …”
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483
Synergetic effects of dodecylamine-functionalized graphene oxide nanoparticles on antifouling and antibacterial properties of polysulfone ultrafiltration membranes
Published 2021“…All membranes were characterized in terms of chemical structure, morphology, hydrophilicity, porosity and mean pore size. Cross-section SEM images showed the distribution of GO and rGO-DDA between the pores and on the polymer walls. …”
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484
Evaluating the impact of the Minimization of Aggression and Violence (MoAV) intervention on mechanical restraint use in Qatar's acute mental health setting
Published 2025“…The percentage of restrained patients decreased from 25 % to 4 %, p = (<0.001). The mean duration of restraint incidents slightly increased from 59.1 min in 2016 to 61.3 min in 2021, though this change was not statistically significant. …”
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485
Effect of Intravenous Mannitol on Intraocular Pressure Changes in Vitrectomized and Non-Vitrectomized Eyes: A Systematic Review and Meta-Analysis
Published 2024“…Meta-analysis was performed using a random-effects model. R software (V 4.3) was used for statistical analysis.</p><h3>Results</h3><p dir="ltr">Our search included five studies of both vitrectomized (145 eyes) and non-vitrectomized eyes (91 eyes). …”
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486
Resection of liver metastases from breast cancer
Published 2012“…Fifty-three patients (62%) had a solitary breast cancer liver metastasis, and 73 (85%) had breast cancer liver metastases ≤5 cm. Sixty-five patients (76%) received prehepatectomy hormonal and/or chemotherapy. …”
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487
Assessing the risk of angiotensin receptor blockers on major cardiovascular events: a systematic review and meta-analysis of randomized controlled trials
Published 2020“…</p><h3>Results</h3><p dir="ltr">Forty-five RCTs comprising of 170,794 participants were included in the analysis. …”
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488
An efficient failure-resilient mutual exclusion algorithm for distributed systems leveraging a novel zero-message overlay structure
Published 2024“…With a p f = 0 . 0016 , less than 10% of the nodes are disconnected. The proposed algorithm avoids node disconnection while minimally impacting the load of the logical tree nodes. …”
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489
Ecotoxicological Assessment of Thermally- and Hydrogen-Reduced Graphene Oxide/TiO<sub>2</sub> Photocatalytic Nanocomposites Using the Zebrafish Embryo Model
Published 2019“…Indeed, the aforementioned teratogenic phenotypes were less devastating in H<sub>2</sub>RGOTi-treated embryos, suggesting that the hydrogen-reduced graphene oxide/TiO<sub>2</sub> photocatalysts may be more ecofriendly than the thermally-reduced ones.…”
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490
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491
Peripheral inflammatory and metabolic markers as potential biomarkers in treatment-resistant schizophrenia: Insights from a Qatari Cohort
Published 2024“…Multivariate analysis highlighted significant differences in platelet count, mean platelet volume (MPV), TG, HbA1c, BMI, neutrophil/lymphocyte ratio (NLR), monocyte/lymphocyte ratio (MLR), and ferritin among the groups. …”
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492
Brain microstructural changes support cognitive deficits in HIV uninfected children born to HIV infected mothers
Published 2020“…Decreased FA along with both increased and decreased MD in different brain regions was present in HUC compared to CHNM. …”
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493
The global burden of cancer attributable to risk factors, 2010–19: a systematic analysis for the Global Burden of Disease Study 2019
Published 2022“…Reducing exposure to these modifiable risk factors would decrease cancer mortality and DALY rates worldwide, and policies should be tailored appropriately to local cancer risk factor burden.…”
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494
Assessment of resin systems as solution for well integrity challenge in carbonate reservoirs
Published 2023“…Additionally, the transit time showed a 26–42% range decrease in the travel period, indicating that the cement was stronger under increased pressure and temperature. …”
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495
Long-Haul Northeast Travel Disrupts Sleep and Induces Perceived Fatigue in Endurance Athletes
Published 2018“…After this time, sleep duration returned to baseline for several days until it was very likely decreased on the night prior to competition (-1.2 ± 1.0 h; 1.18; ±0.93). …”
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496
Fixed Shading Scenarios to Optimize Lighting Performance and Energy Efficiency in Office Buildings Case Study of Dubai Design District
Published 2021“…Moreover, daylighting analysis shows decreased average illuminance levels from 407.8 to 154.97 Lux, equivalent to a 60% reduction in December and June. …”
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497
Clotted blood samples in the neonatal intensive care unit: A retrospective, observational study to evaluate interventions to reduce blood sample clotting
Published 2023“…</p><h3>Aims</h3><p dir="ltr">To decrease the incidence of rejected blood samples taken for laboratory investigation as a result of clotted sample.…”
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498
The effect of microbiome therapy on COVID-19-induced gut dysbiosis: A narrative and systematic review
Published 2024“…The majority of the investigated biotics exhibited positive effects on COVID-19 patients, manifesting in symptom alleviation, inflammation reduction, and notable decreases in mortality rates. Five studies reported death rates, showing an average mortality ranging from 0 % to 11 % in the intervention groups, as compared to 3 % to 30 % in the control groups. …”
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499
Breaking the barriers towards large-scale microalgae-based bio-hydrogen production
Published 2025“…Results showed that cultivation dominates the process cost: typical biomass costs are $3.54–$5.78/kg in tubular PBRs versus $3.42–$4.13/kg in ORPs; an automation/modularization case decreased microalgae production cost from $89 to $16/kg at ∼200 t/yr. …”
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500
Global, regional, and national burden of HIV/AIDS, 1990–2021, and forecasts to 2050, for 204 countries and territories: the Global Burden of Disease Study 2021
Published 2024“…HIV-related deaths decreased by 39·7% (33·7–44·5), from 1·19 million (1·07–1·37) in 2010 to 718 000 (669 000–785 000) in 2021. …”
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