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| 1 | Can we predict which patients with community-acquired pneumonia are likely to have positive blood cultures?显示文摘BACKGROUND: Blood cultures (BC ) are commonly ordered during the initial assessment ofpatients with community-acquired pneumonia (CAP), yet their yield remains low. Selective use of BCwould allow the opportunity to save healthcare resources and avoid patient discomfort. The studywas to determine what demographic and clinical factors predict a greater likelihood of a positiveblood culture result in patients diagnosed with CAP.METHODS: A structured retrospective systematic chart audit was performed to comparerelevant demographic and clinical details of patients admitted with CAP, in whom blood culture resultswere positive, with those of age, sex, and date-matched control patients in whom blood cultureresults were negative.RESULTS: On univariate analysis, eight variables were associated with a positive BC result.After logistic regression analysis, however, the only variables statistically significantly associatedwith a positive BC were WBC less than 4.5 x 109/L [likelihood ratio (LR): 7.75, 95% CI=2.89-30.39], creatinine 〉106 !mol/L (LR: 3.15, 95%CI=1.71-5.80), serum glucose〈6.1 mmol/L (LR: 2.46,95%CI=1.14-5.32), and temperature 〉 38 °C (LR: 2.25, 95% CI =1.21-4.20). A patient with all of thesevariables had a LR of having a positive BC of 135.53 (95% CI=25.28-726.8) compared to patientswith none of these variables.CONCLUSIONS: Certain clinical variables in patients with CAP admitted to hospitals doappear to be associated with a higher probability of a positive yield of BC, with combinations of thesevariables increasing this likelihood. We have identified a subgroup of CAP patients in whom bloodcultures are more likely to be useful. | Samuel George Campbell R. Andrew McIvor Vincent Joanis David Graydon Urquhar | 2011 | World Journal of Emergency Medicine2011，2，4： | 7 |
| 2 | FeCl_2处理电炉炉尘的热力学计算显示文摘电炉炉尘中富含Zn、Pb、Cd等元素,简单地将这些炉尘倾倒野外或填埋,Pb、Cd等重金属元素的浸出会污染环境 ,而直接将炉尘返回钢铁厂内循环使用 ,Zn在高炉内富集会缩短炉衬寿命 ,而且这些元素向钢水的转移还会降低钢材品质。为减少电炉炉尘对环境的污染和实现其综合利用 ,必须寻求经济高效的新方法脱除炉尘中Zn、Pb、Cd等有害元素。通过热力学计算分析了采用FeCl_2去除电炉炉尘中Zn、Pb的可能性 ,比较了不同反应条件下的作用效果。计算结果表明,在 600~900℃下,炉尘中ZnO、ZnFe_2O_4 、CuO、PbO和CdO几乎全部转化为气相氯化物。对于CaO含量较高的炉尘 ,添加SiO2 有利于提高炉尘中有害元素的脱除效率,Zn的脱除率约 96 %~ 98%。当反应温度超过950℃。 | 王谦 J W Graydon D W Kirk | 2003 | 重庆大学学报(自然科学版)2003，26，6： | 7 |
| 3 | The effect of exercise on the decision-making performance of experienced and inexperienced soccer players显示文摘 | McMorris T Graydon J | | Research quarteriy for exercise and sport0，67，1： | 1 |
| 4 | Cortical activation during menopausal hot flashes显示文摘 | Freedman R R Benton M D Genik R J 2nd Graydon F X | 2006 | Fertil Steril2006，85，3： | 1 |
| 5 | The prevalence and correlates of fatigue in patients receiving treatment with chemotherapy and radiotherapy; A comparison with the fatigue experienced by healthy individuals显示文摘 | Irvine D Vincent L Graydon JE | 1994 | Cancer Nuts1994，17，5： | 1 |
| 6 | Enthalpy of dissociation and hydra- tion number of carbon dioxide hydrate from the Clapeyron equation 显示文摘 | Graydon K Anderson | 2003 | The Journal of Chemical Thermodynamics2003，35，7： | 1 |
| 7 | Fatigue-reducing strategies used by patients receiving treatment for cancer显示文摘 | GRAYDON JE BUBELA N IRVINE D | 1995 | Cancer Nursing1995，18，1： | 1 |
| 8 | The mechanism of ferriteformation from iron sulfides during zinc roasting显示文摘 | GRAYDON J W KIRK D W | 1988 | Metallurgical and Materials Transactions B1988，19，4： | 1 |
| 9 | Triple - frequency operation of an Er - Doped twin - core fiber lasers 显示文摘 | Graydon O Loh W H Laming R I | 1999 | IEEE photonics Technologe Letters1999，8，1： | 1 |
| 10 | A comparison of 40Hz auditory steady-state response(ASSR) and cortical auditory evoked potential(CAEP) thresholds in awake adult subjects显示文摘 | Tomlin D Rance G Graydon K | 2006 | Int J Audiol2006，45，10： | 1 |
| 11 | Effective exercise modality to reduce insulin resistance in women with type 2 diabetes显示文摘 | Darcye J Graydon S Alan M | | 0，，11： | 1 |
| 12 | Sorption of inorganic nanoparticles in woven cellulose fabrics显示文摘Titanium dioxide was deposited from aqueous suspension onto cellulosic surfaces.Titania was sourced from Degussa(P25TM,70:30 anatase:rutile).Dry uptake of particles was shown to be rapid and dominant with one-third of the deposition occurring in less than 30 s and over one-half in the first minute.Isotherms were recorded to compare the rate of titanium deposition on dry and pre-wetted cotton.In the dry case uptake reached a maximum in 30 min whereas in the pre-wetted case the uptake was seen to continue beyond 180 min.A broad trend of higher deposition occurring at lower pH was seen,corresponding to the region where surface charges were opposite and thus attractive.Dry pickup was less significant at high pH.The response to varying ionic strength was complex and was attributed to the combined effect of charge screening,particle aggregation and consequent particle entrapment or occlusion.Titania deposition into the interstices of woven cotton sheets resulted in the formation of inorganic,nanoparticulate skeletons which could be isolated by controlled combustion of the cellulose and thus cotton was suggested to have potential for the templated synthesis of high surface area semiconductor materials. | Dan H. Marsh D. Jason Riley David York Andrew Graydon | 2009 | Particuology2009，7，2： | 1 |
| 13 | In-vitro antibacterial properties of tilmicosin against Australian isolates of Pasteurella rmultocida and Actinobacillus pleuropneumoniae from pigs显示文摘 | Blackall P J Asakawa T Graydon R J | 1995 | Australian Veterinary Journal1995，72，1： | 1 |
| 14 | Monitoring generators and large motors显示文摘 | Tamer P J Graydon B G Ward D M | 1986 | IEE Proceedings B1986，133，3： | 1 |
| 15 | Monitoring generators and large motors显示文摘 | Tamer P J Graydon B G Ward D M | 1986 | IEE Proceedings B1986，133，3： | 1 |
| 16 | The effect of incremental exercise on cognitive performance显示文摘 | MCMORRIS T GRAYDON J | 2001 | Int J Sport Psychol2001，31，10： | 1 |
| 17 | Perceived informational needs of breast cancer patients receiving radiation therapy after excisional biopsy and axillary node dissection显示文摘 | Graydon J E | 1993 | Cancer Nurs1993，16，6： | 1 |
| 18 | The Behavior of Selected Heavy Metals in MSW Incineration Electrostatic Precipitator Ash during Roasting with Chlorination Agent显示文摘 | Chris Chart Charles Q Jia John W Graydon | 1996 | Journal of Hazardous Materials1996，，50： | 1 |
| 19 | Fatigue-reducingstrategies used by patients receiving treatment for cancer显示文摘 | Graydon JE | 1995 | Cancer Nurs1995，18，1： | 1 |
| 20 | The behaviour of selected heavy metals in MSW incineration electronic precipitator ash during roasting with chlorination agents 显示文摘 | Chan C C Y Jia C Q Graydon J W Kirk D W | 1996 | Journal of Hazardous Materials1996，50，1： | 1 |
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