Determining true difference between treatment groups
نویسنده
چکیده
In this article, the author reviews the P value and how it is used to determine true difference of outcome in treatment groups. P value, standard deviation, standard error of the mean, bias, and confidence interval are discussed in common language, with a minimum of jargon and with clinical examples.
منابع مشابه
A New Precision–Fed Chick Assay for Determining True Metabolizable Energy Values of some Poultry Feed Ingredients for Broiler Chickens
Two experiments were conducted to determine: first, the best time of excreta collection after force feeding of broilers to yield the maximal amount of excreta, and second, nitrogen-corrected true metabolizable energy contents of some poultry feedstuffs including yellow corn, soybean meal, corn gluten meal, canola meal and poultry by-product meal by a new precision-fed chick assay using 3-week-o...
متن کاملThe Manifestation of the Divine Honor in the ‘Āshūrā Heroic Act
The examination of the word “‘izza” (honor) in the divine discourse and its attribution to God, the Prophet (s), and the believers is important in determining and directing the personal and social life policies. In this article (which is on the manifestation of the divine honor in Imām Ḥusayn’s heroic act), we aim to illustrate some of the honorable deeds of Imām Ḥusayn on his way from Medina t...
متن کاملبررسی عملکرد کالیبراسیون نرمافزار سیستم دیجیتال CMOS در ارزیابی طول کارکرد کانال
Background and Aims: Estimating the canal length is essential for reaching to a proper endodontic treatment. Any error and miscalculation in estimation of the working length, especially in curved canals, can result in complication during and after root canal therapy. The introduction of digital radiography has enabled us to measure curved canal length. The purpose of this study was to evaluat...
متن کاملAccuracy of an Intraoral Digital System for File Length Measurement
Introdouction: Canal length measurement is essential for proper endodontic treatment. Any error or miscalculation in working length determination, particularly in curved canals, can result in complications during or after root canal therapy. Digital radiography has enabled accurate measurement of curved canal length. In this study, we evaluated the accuracy of calibration of a complementary m...
متن کاملاثر بخشی یوگای تقویت ذهن بر کودکان دبستانی مبتلا به اختلال اوتیسم
Introduction: Autism is generaly known as cerebral neural development disorder among children accompany with behavioral disorders. complementary medicine therapy as a new attitude toward autism treatment is common. So this study with the aim of determining of the ffect of super brain yoga on children with autism disorder was accomplished. Method: This quasi-experimental study was done on 80 ...
متن کامل