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CH Instruments chi-squared (w2) test
Chi Squared (W2) Test, supplied by CH Instruments, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/product/chi-squared+(w2)+test/chi+squared++w2++test/pm23959274-59-9-8
Average 90 stars, based on 1 article reviews
chi-squared (w2) test - by Bioz Stars, 2026-11
90/100 stars

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Article Title: Factors Affecting Anxiety and Depression Symptoms in Relatives of Intensive Care Unit Patients.
Article Snippet: Aim: To determine the incidences of anxiety and depression in relatives of patients admitted to an intensive care unit (ICU) and to investigate the relationships between psychological symptoms and demographic features of the patients and their relatives.. Methodology: Relatives of 78 ICU patients were enrolled in the study.. Sociodemographic features of patients and their relatives were recorded.

Article Title: E-Cadherin Expression in Canine Melanocytic Tumors: Histological, Immunohistochemical, and Survival Analysis.
Article Snippet: Categorical data were analyzed using the chi-square (w2) test of independence or Fisher’s exact test, goodness of fit test, odds ratio (OR), and log-linear model. For multiple comparisons, we reported Bonferroni-adjusted P values.

Article Title: The Impact of CYP2C19 Loss-of-Function Polymorphisms, Clinical, and Demographic Variables on Platelet Response to Clopidogrel Evaluated Using Impedance Aggregometry.
Article Snippet: Categorical variables were compared using the chi-square (w2) test (or Fisher exact test for expected counts less than 5).

Article Title: Antibiotic Resistance in Staphylococcus aureus from Poultry and Poultry Products in uMgungundlovu District, South Africa, Using the "Farm to Fork" Approach.
Article Snippet: Background: This study determined the prevalence and antibiotic susceptibility profiles of Staphylococcus aureus isolated from selected critical control points (farm, transport, abattoir, and retail product) in an intensive poultry production system in the uMgungundlovu District, South Africa, using the ‘‘farm to fork’’ approach.. Materials and Methods: Three hundred eighty-four samples from poultry and poultry products were examined across the ‘‘farm to fork’’ continuum for S. aureus using selective media, biochemical tests, and API Staph kit and confirmed by polymerase chain reaction identification of the nuc gene.. Antibiotic susceptibility testing of the isolates was determined by the Kirby–Bauer disc diffusion method to 19 antimicrobials and to vancomycin by the broth microdilution technique.

Article Title: A Functional Variant of the miR-15 Family Is Associated with a Decreased Risk of Esophageal Squamous Cell Carcinoma.
Article Snippet: MicroRNAs (miRNAs)-related single-nucleotide polymorphisms (SNPs) have been shown to be implicated in the susceptibility to different types of cancer, including esophageal squamous cell carcinoma (ESCC).. Identification of miRNA-related SNPs may provide candidate biomarkers for early diagnosis of ESCC.. We performed a genome-wide microarray assay to identify differentially expressed miRNAs, which indicated that the miR-15 family may play an important role in ESCC biology.

Article Title: Interethnic differences in the relevance of CYP2C9 genotype and environmental factors for diclofenac metabolism in Hispanics from Cuba and Spain.
Article Snippet: The CYP2C9 allele frequencies were compared using the chi-squared (w2) and Fisher’s exact tests.

Article Title: Apolipoprotein E alleles in Cuban patients with mild cognitive impairment.
Article Snippet: Background: Apolipoprotein E (ApoE) e4 genotype is the most clearly documented risk factor for Alzheimer’s disease (AD).. Epidemiological studies demonstrate an accelerated rate of progression to dementia and AD in patients with mild cognitive impairment (MCI).. We assessed the ApoE allele and genotypes frequencies in Cuban patients with MCI.

Article Title: Association of True Positivity with Serum Prostate-Specific Antigen Levels and Other Clinical Factors in Indeterminate PSMA-RADS-3A Lesions Identified on 18 F-DCFPyL PET/CT Scans.
Article Snippet: The pre-operative Gleason score of these patients was categorized into two groups, Gleason score < 7 or ≥7, and the rate of positivity of PSMA-RADS-3A lesions was compared using the chi-squared test.



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