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261
The Prevalence and Factors Associated with Low Back Pain Among People with Flat Feet
منشور في 2021"…Background A positive relationship between flat feet and low back pain (LBP) has not gained consensus in literature. …"
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262
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Preparation and Characterization of Polysulfone Membranes Reinforced with Cellulose Nanofibers
منشور في 2022"…This result indicates a strong interfacial interaction between the PSF matrix and the reinforced nanofibers. …"
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264
Investigation of Groundwater Depletion in the State of Qatar and Its Implication to Energy Water and Food Nexus
منشور في 2021"…Long-term temperature data indicates that the annual mean temperature increased significantly by 1.02 °C between 1987 and 2016, while total rainfall exhibited a slight decreasing trend. …"
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265
Impact of CNTs' treatment, length and weight fraction on ordinary concrete mechanical properties
منشور في 2020"…The results were then analyzed using statistical t-tests to evaluate the significance of adding CNTs to concrete. The results showed that 0.03% long-treated CNTs increased compressive, flexural, and tensile strengths of ordinary concrete by 23, 29 and 20%, respectively. …"
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266
LightEnsemble-Guard: An Optimized Ensemble Learning Framework for Securing Resource-Constrained IoT Systems
منشور في 2025"…<p dir="ltr">The rapid proliferation of real-time Internet of Things (IoT) devices has increased the need for efficient and accurate security mechanisms. …"
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267
Calibration of building model based on indoor temperature for overheating assessment using genetic algorithm: Methodology, evaluation criteria, and case study
منشور في 2022"…With the increased severity, intensity, and frequency of “heatwaves” due to climate change, it has become imperative to study the overheating risks in existing buildings. …"
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268
Spatial modelling of contribution of individual level risk factors for mortality from Middle East respiratory syndrome coronavirus in the Arabian Peninsula
منشور في 2017"…The odds of dying from the disease was found to increase as age increased beyond 25 years and was much higher for individuals with any underlying comorbidities.…"
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269
Time to diagnose and time to surgery in patients presenting with necrotizing fasciitis: a retrospective analysis
منشور في 2025"…In contrast, delayed diagnosis (TTD > 6 h) was significantly associated with increased mortality, regardless of the TTS.…"
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270
Tipping the Balance: Vitamin D Inadequacy in Children Impacts the Major Gut Bacterial Phyla
منشور في 2022"…Overall gut microbial community structure was significantly different between the deficient (D) and non-deficient (ND) groups (Bray Curtis dissimilarity p = 0.049), with deficient subjects also displaying reduced gut microbial diversity. …"
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271
Comparison of in-hospital and out-of-hospital cardiac arrest of trauma patients in Qatar
منشور في 2022"…The univariate comparative analysis between IHCAT and OHTCA patients showed a significant difference between ethnicities (<i>p</i>=0.04). …"
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272
Is embolization of segment 4 portal veins before extended right hepatectomy justified?
منشور في 2008"…There was no significant difference between RPVE and RPVE+4 in the absolute S4 volume increase (52 mL for RPVE vs 55 mL for RPVE+4; P = .61) or the hypertrophy rate of S4 (30% for RPVE vs 26% for RPVE+4; P = .45). …"
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273
The role of patient positioning in surgical fixation of the calcaneus fractures using the lateral extensile approach
منشور في 2024"…There was no significant difference between the two groups regarding the reoperation rate (<i>p</i> 0.947), infection (p 0.659, operative time (<i>p</i> 0.688), anesthesia time (<i>p</i> 0.522) and wound complications (<i>p</i> 0.773).…"
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274
Preparation of Mesoporous/Microporous MnCo<sub>2</sub>O<sub>4</sub> and Nanocubic MnCr<sub>2</sub>O<sub>4</sub> Using a Single Step Solution Combustion Synthesis for Bifunction Oxy...
منشور في 2020"…Chronoamperometric (CA) runs for 24 h shows excellent stability of MnCo<sub>2</sub>O<sub>4</sub> without any significant decrease in the current or potential value in ORR and OER. …"
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275
Comparative assessment of fracture risk among osteoporosis and osteopenia patients: a cross-sectional study
منشور في 2018"…The majority of patients with osteopenia (91.67%) had a low risk of hip fracture. Statistically significant differences in relation to specific fracture risks between patients with osteoporosis and osteopenia, in particular, weight (t=−2.250, p=0.027*) and previous fractures (t=2.985, p=0.004**), were established.…"
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276
Double versus triple arthrodesis for adult-acquired flatfoot deformity due to stage III posterior tibial tendon insufficiency: a prospective comparative study of two cohorts
منشور في 2022"…There were no statistically significant differences between both groups in age, gender, laterality, or duration of follow-up. …"
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277
Mixed precision iterative refinement with adaptive precision sparse approximate inverse preconditioning
منشور في 2025"…<p dir="ltr">Hardware trends have motivated the development of mixed precision algorithms in numerical linear algebra, which aim to decrease runtime while maintaining acceptable accuracy. …"
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278
Perceived confidence of dental students and new graduates in performing tooth extractions—An exploratory study
منشور في 2023"…A three‐way contingency table (counts of each confidence‐level response by stage of education by expert rating of cases) suggests a statistically significant association between the three factors. Most participants identified limited clinical exposure as the main reason for their perceived lack of confidence.…"
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279
Combined experimental and computational investigations of the fluorosolvatochromism of chromeno[4,3-b]pyridine derivatives: Effect of the methoxy substitution
منشور في 2023"…The results obtained revealed a significant positive fluorosolvatochromism, with a bathochromic shift in the fluorescence spectrum as the solvent polarity increased. …"
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280
Compliance and barriers to the use of infection prevention and control measures among health care workers during COVID‐19 pandemic in Qatar: A national survey
منشور في 2021"…Participants reported a significant increase in the median self-rated compliance scores during the pandemic compared with before it (<em>p</em> < .001). …"