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841
Initial risk assessment for pulmonary hypertension in patients with COPD
منشور في 2012"…Diffusion capacity was lower but did not reach statistical significance (P = 0.07). In multivariate analysis, statistically significant independent variables were >3% decrease in exercise oxyhemoglobin saturation and decline in prebronchodilator FEV1 (P = 0.01 and P = 0.04, respectively). …"
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article -
842
Postprandial lipaemia 10 and 34 hours after playing football: Does playing frequency affect the response?
منشور في 2019"…For the 3FOOT, there was a non significant decrease in postprandial TG AUC (-2.7%; p = 0.73; 95%CI = -2.0 to 1.5; ES = 0.05) and iAUC (-17.5%; p = 0.41; 95%ci = -2.5 to 1.1; ES = 0.31) from 10 to 34 hrs, respectively. …"
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843
Intratumoral FoxP3<sup>+</sup>Helios<sup>+</sup> Regulatory T Cells Upregulating Immunosuppressive Molecules Are Expanded in Human Colorectal Cancer
منشور في 2017"…In this preliminary study, we report that the majority of CD3<sup>+</sup> T cells in the TME are CD4<sup>+</sup> T cells with high co-expression of programmed death 1 (PD-1)/cytotoxic T-lymphocyte-associated protein 4 (CTLA-4) and PD-1/CD39 molecules. Levels of CD4<sup>+</sup>FoxP3<sup>+</sup>Helios<sup>+</sup> Tregs were significantly increased in the TME. …"
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844
Andrographolide pre-treatment enhances the anti-tumor activity of topotecan on acute myeloid leukemia cells in vitro
منشور في 2016"…However, pretreating the cells with andrographolide for 24 hours prior to topotecan addition, led to a significant decrease in cell proliferation (39%) as compared to treatment with the compounds separately (67%). …"
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article -
845
Influenza prevalence and vaccine efficacy among diabetic patients in Qatar
منشور في 2023"…Among the typed IVA-positive cases, 33.4% were H1N1, and 7.7% were H3N2. A significant decrease in influenza infections was reported in vaccinated DM patients (14.5%) when compared to non-vaccinated patients (18.9%) (p-value = 0.006). …"
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article -
846
Functional Connectivity Analysis under Vigilance Decrement and Enhanced Mental States
منشور في 2020احصل على النص الكامل
doctoralThesis -
847
Assessment of treatment burden and its impact on quality of life in dialysis-dependent and pre-dialysis chronic kidney disease patients
منشور في 2021"…<h3>Background</h3><p dir="ltr">The management of chronic kidney disease (CKD) and its complications places a significant burden on patients, resulting in impairment of their health-related quality of life (HR-QOL). …"
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848
Competition vs cooperation: An agent based model for sustainable tomatoes’ import system
منشور في 2024"…Conversely, collaboration among exporting countries demonstrates a potential 20% reduction in water usage and a 15% decrease in environmental emissions compared to the competitive scenario, offering enhanced environmental performance albeit at<u> higher economic costs</u>. …"
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849
The impact of water table fluctuation and salinity on LNAPL distribution and geochemical properties in the smear zone under completely anaerobic conditions
منشور في 2023"…At the source zone, benzene and toluene reached their maximum concentration after 30 and 10 days for the stable and the fluctuating columns, respectively. Significant decrease in benzene and toluene concentrations occurred under the fluctuating water table. …"
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850
Comparative assessment of fracture risk among osteoporosis and osteopenia patients: a cross-sectional study
منشور في 2018"…</p><h3>Conclusion: </h3><p dir="ltr">Osteoporosis patients had a high risk of major osteoporotic fracture, while there was no association between the intermediate level for major osteoporotic fracture and osteopenia. …"
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851
Use of Ultrasound and Ionic Liquids to Enhance the Extractive Desulfurization of Oils
منشور في 2016احصل على النص الكامل
doctoralThesis -
852
The effect of Hydrogen Peroxide treatments on dental enamel porosity and protein structure and its long-term implications on tooth hardness and optical properties
منشور في 2025"…Hardness analysis revealed significant decreases in microhardness in the bleached group compared to the control group (p < 0.05). …"
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article -
853
Reduction of laboratory utilization in the intensive care unit
منشور في 2016"…We hypothesized that a program that involves physician and staff education and alters the current ICU order sets will lead to a sustained decrease in routine laboratory test ordering. …"
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article -
854
Boron doped silver-copper alloy nanoparticle targeting intracellular S. aureus in bone cells
منشور في 2020"…The ACB-OBAb nanoparticles showed a 1.32 log reduction of intracellular S. aureus at a concentration of 1mg/L. …"
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855
Analyzing the effectiveness of various coatings to mitigate photovoltaic modules soiling in desert climate
منشور في 2024"…For the same coatings, a significant light transmittance loss was measured in Doha (Qatar) compared to Uyaynah (Saudi Arabia). …"
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856
Influenza prevalence and vaccine efficacy among diabetic patients in Qatar
منشور في 2023"…Among the typed IVA-positive cases, 33.4% were H1N1, and 7.7% were H3N2. A significant decrease in influenza infections was reported in vaccinated DM patients (14.5%) when compared to non-vaccinated patients (18.9%) (p-value = 0.006). …"
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857
Clinical reappraisal of the composite international diagnostic interview version 3.3 in Qatar's National Mental Health Study
منشور في 2024"…</p><h3>Results</h3><p dir="ltr">Initial CIDI prevalence estimates differed significantly from the SCID for most diagnoses ( X<sup>2</sup><sub>1</sub>= 6.6–31.4, p = 0.010 < 0.001), but recalibration reduced most of these differences and led to consistent increases in individual‐level concordance (AU‐ROC) from 0.53–0.76 to 0.67–0.81. …"
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858
Knowledge and Anxiety about COVID-19 in the State of Qatar, and the Middle East and North Africa Region—A Cross Sectional Study
منشور في 2021"…Good knowledge about COVID-19 was associated with low levels of anxiety. Panic and unfounded anxiety, as well as casual and carefree attitudes, can propel risk taking and mistake-making, thereby increasing vulnerability. …"
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859
Serum 25-hydroxyvitamin D concentrations are inversely associated with body adiposity measurements but the association with bone mass is non-linear in postmenopausal women
منشور في 2021"…In multivariable adjusted analysis, no association was found between serum 25(OH)D concentration and bone mass when serum 25(OH)D was categorized. In a continuous variable analysis, the association between 25(OH)D and bone mass was significant, non-linear, inverse ‘U’. …"
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860
Towards secure private and trustworthy human-centric embedded machine learning: An emotion-aware facial recognition case study
منشور في 2023"…We find that input quantization partially degrades the efficacy of adversarial and backdoor attacks at the cost of a slight decrease in accuracy over clean inputs. …"