يعرض 381 - 400 نتائج من 909 نتيجة بحث عن '(( 12 per decrease ) OR ( 5 ((point decrease) OR (((mean decrease) OR (a decrease)))) ))', وقت الاستعلام: 0.22s تنقيح النتائج
  1. 381

    Forecast of the outbreak of COVID-19 using artificial neural network: Case study Qatar, Spain, and Italy حسب Shawaqfah M.

    منشور في 2021
    "…The model sensitivity was analyzed using the root mean square error (RMSE), the mean absolute percentage error and the regression coefficient index R2, which yielded highly accurate values of the predicted correlation for the infected and dead cases of 0.99 for the dates considered. …"
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  2. 382

    Trends in prevalence of depression and anxiety symptoms and effects of sociodemographic variables before and after the first wave of COVID-19 in Qatar حسب Khaled, Salma M.

    منشور في 2022
    "…The data for 2020/21 showed a 35.1% and 29.2% decrease in depression and anxiety symptoms scores compared to pre-pandemic years (2017/2018) after adjusting for sociodemographic factors. …"
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  3. 383

    Investigating the utilization of healthcare services to manage respiratory tract infections (RTIs) among Qatari patients attended selected primary healthcare centers in Qatar حسب Islam, Nazmul

    منشور في 2018
    "…The Mean age ±SD of participants is 24.80±18.5 years, among them 38.79% falls to age group 5-19 and 33.53% belongs to 20-44. …"
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  4. 384

    The Structure of the Free Volume in Poly(styrene-co-acrylonitrile) from Positron Lifetime and Pressure Volume Temperature (PVT) Experiments حسب Dlubek, Gunter

    منشور في 2004
    "…The mean hole volume, vh, varies in PS between 105 Å3 (27 °C) and 220 Å3 (190 °C), and shows a systematic decrease with increasing AN content, at Tg from 121 Å3 for PS to 102 (±2) Å3 for SAN50. …"
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  5. 385
  6. 386
  7. 387
  8. 388
  9. 389

    Utilization of Emergency Services by Children with Asthma in Qatar حسب Arafah, Dima

    منشور في 2022
    "…Respiratory diseases are the most common conditions seen in Pediatric Emergency Centers (PECs) in Qatar. 2 The five PECs are an essential point of healthcare access for severely sick children, however, many people utilize them for potentially preventable reasons. 3 Methods: This was a quantitative retrospective observational study of children with asthma utilizing the five PECs during 2019. …"
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  10. 390
  11. 391
  12. 392

    Overconfident results with the bivariate random effects model for meta-analysis of diagnostic accuracy studies حسب Furuya-Kanamori, Luis

    منشور في 2022
    "…In 2001, Rutter and Gatsonis proposed the hierarchical summary receiver operating characteristic (HSROC) model,1 and in 2004 Macaskill described an empirical Bayes approach.2 Soon after, in 2005, Reitsma et al. proposed the bivariate random effects model,3 which has been widely adopted and is the most commonly used method for diagnostic meta-analysis.4 However, as pointed out by Diaz,5 the statistical performance of the bivariate model has not been scrutinized. …"
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  13. 393

    The cost associated with the development of the antimicrobial stewardship program in the adult general medicine setting in Qatar حسب Abushanab, Dina

    منشور في 2024
    "…Methods: Patient records were retrospectively reviewed during two periods: preliminary ASP was defined as the 12 months following ASP implementation (i.e. May 2015-April 2016), and developed ASP was defined as the last 12 months of a 5-year ASP implementation in Hamad Medical Corporation (HMC) (i.e. …"
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  14. 394

    Molecular dynamics of CH4/CO2 on calcite for enhancing gas recovery حسب Carchini, Giuliano

    منشور في 2022
    "…These results highlight how the CO2 geometry of adsorption is well defined and characterized by strong interaction, while methane adsorption is quite loose and depicts a very dynamic picture. Focusing on the effect of pressure, RDF peaks intensities increase, although this effect is limited to the 1-5 MPa range. …"
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  15. 395
  16. 396

    Epidemiology of herpes simplex virus type 2 in sub-Saharan Africa: Systematic review, meta-analyses, and meta-regressions حسب Harfouche, Manale

    منشور في 2021
    "…Background: Herpes simplex virus type 2 (HSV-2) infection is a prevalent, sexually transmitted infection with a sizable disease burden that is highest in sub-Saharan Africa. …"
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  17. 397
  18. 398

    The Effect of Hyperoxia on Central and Peripheral Factors of Arm Flexor Muscles Fatigue Following Maximal Ergometer Rowing in Men حسب Volianitis, Stefanos

    منشور في 2022
    "…Methods: In 11 competitive male rowers (age, 30 ± 4 years), we measured near-infrared spectroscopy determined frontal lobe oxygenation (ScO2) and transcranial Doppler ultrasound determined middle cerebral artery mean flow velocity (MCA Vmean) combined with maximal voluntary force (MVC), peak resting twitch force (Ptw) and cortical voluntary activation (VATMS) of the elbow flexor muscles using electrical motor point and magnetic motor cortex stimulation, respectively, before, during, and immediately after 2,000 m all-out effort on rowing ergometer with normoxia and hyperoxia (30% O2). …"
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  19. 399
  20. 400