Association Between Platelet Levels and 28-Day Mortality in Patients With Sepsis: A Retrospective Analysis of a Large Clinical Database MIMIC-IV1(脓毒症患者血小板水平与28天死亡率之间的关系) We used smoothing function analysis to assess whether there is a dose-response relationship between platelets ...
•Whatistheminimumfrequency(ifvolumeishelpconstant)requiredtodecreasemortality?METHODS •Forty-fourstudiespublishedbetween1966andJuly2000.RESULTS •Alinearinversedose-responserelationshipin34ofthe44studies.•Remaining10studies,5showedathresholdeffectand5showednoeffect.•24ofthe44studiesincludedwomen.•...
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as zeta-potential titrations. These titrations are used to characterize heterogeneous systems including colloids. One use is determining the point at which a surface charge becomes zero by changing the pH or adding surfactant. Another is to determine an optimum flocculation or stabilization dose. ...
Think of them as a bridge. On one side, you have all the pages that the search engines have indexed. On the other side, you have searchers looking for answers to their queries. Keywords bridge the gap between the two. The way people search is calledsearch intent. It’s important to un...
Why is the inflammation response important? How best to treat chronic inflammation? Inflammation is generally a protective response, which would normally be beneficial. Is it an exclusively beneficial response? Explain. What is a dose-response curve? What is type II hypersensitivity? What are EJCs...
Two recent studies of fractionated external beam radiotherapy in early prostate cancer provide outcome data that allow a statistical estimation of the α/β-ratio of the linear–quadratic model when combined with clinical data on the steepness of the dose–response curve. Results of the large ...
Here is a graphical depiction of the standard normal curve and how the z-score relates to other metrics. z-scores vs Scaled Scores in Assessment Many exams implementscaled scoreswhen they report scores to examinees and other stakeholders. These are often just a repackaging of z-scores because ...
To maintain the reliability of a quantitative research methodology, we assume that the population distribution curve is normal. Source This type of population distribution curve is preferred over a non-normal distribution as the sample size is large, and the characteristics of the sample vary with ...
Customer churn, when uncontrolled, is a serious problem for a business. To give you an idea about its impact on your business, let’s crunch some numbers. Say there are two companies that acquire the same number of customers per year and earn an average of $2000 per customer. But the ...