Results 41 to 50 of about 7,093,858 (209)
ABSTRACT Background Cytomegalovirus (CMV) is a recognized trigger of immune thrombocytopenia (ITP); however, its incidence and impact on disease course in children remain controversial. Therefore, we aimed to characterize the clinical course of pediatric patients with CMV‐associated ITP.
Oded Gilad +9 more
wiley +1 more source
Chi-square distribution and ratio of two chi-squares (F-distribution).
Chi-square distribution and ratio of two chi-squares (F-distribution).
Anton K. Formann (234420)
core +1 more source
An Adaptive Filter for Image Noise Removal Using Chi-Square Goodness-of-Fit to Uniform Distribution [PDF]
Noise is any undesired information that contaminates an image. The ideal situation (no noise) never occurs in practice, so there is a little point in ignoring it. Hence, one of the primary concerns of digital image processing is to increase image quality
Abdulameer A. Kareem +2 more
doaj +1 more source
Testing Multivariate Normality Based on F-Representative Points
The multivariate normal is a common assumption in many statistical models and methodologies for high-dimensional data analysis. The exploration of approaches to testing multivariate normality never stops.
Sirao Wang +3 more
doaj +1 more source
ABSTRACT Background Adult survivors of childhood acute lymphoblastic leukemia (ALL) are at risk of reduced exercise capacity, decreased physical activity levels, persistent fatigue, and neurocognitive deficits. The aim was to investigate exercise capacity and physical activity levels of adult survivors of childhood ALL and their associations with ...
Laura Jess +5 more
wiley +1 more source
Biostatistics series module 4: Comparing groups - categorical variables
Categorical variables are commonly represented as counts or frequencies. For analysis, such data are conveniently arranged in contingency tables. Conventionally, such tables are designated as r × c tables, with r denoting number of rows and c denoting ...
Avijit Hazra, Nithya Gogtay
doaj +1 more source
ABSTRACT Background Graft‐versus‐host disease (GvHD) remains one of the most significant complications of hematopoietic stem cell transplantation (HSCT). Abatacept, a selective T‐cell costimulation modulator, is a relatively novel prophylactic agent, though pediatric data remain limited.
Matthijs D. Kruizinga +3 more
wiley +1 more source
Exact distribution of the sum of two correlated chi-square variables and its application
The exact distribution of the sum of two chi-square random variables is known if the variables are independent. We derive the exact distribution of the sum of two correlated chi-square variables when they are correlated through a bivariate chi-square ...
ANWAR H. JOARDER, M. HAFIDZ OMAR
doaj
A Method of CHI-square Feature Selection Based on Probability [PDF]
Traditional CHI-square feature selection method does not take into account the category number of words in imbalanced data sets,the frequency of words,the intra-class and inter-class distribution of words,so that it fails to choose valid feature words ...
ZHANG Huiyi,XIE Yeming,YUAN Zhixiang,SUN Guohua
doaj +1 more source
ABSTRACT Background and Aims Infant bone and soft tissue neoplasms present distinct clinical challenges and lack large‐scale data to inform treatment decisions. This study aims to characterize bone and soft tissue neoplasms in infants in Canada and to compare their outcomes with those of older pediatric patients.
Samuel Sassine +21 more
wiley +1 more source

