What Is Variance in Statistics? Definition, Formula, and Example

Variance is a measurement of the spread between numbers in a data set. Investors use the variance equation to evaluate a ...
Medscape

Is A1c Variability a Useful Measure in Diabetes?

Most patients (56%) had low A1c variability (0%-0.49% per quarter), and about one third had moderate variability (0.5%-1%). The lowest risk for the outcomes of MI ...
Business Insider

What is heart rate variability? How to measure HRV and what it means

Heart rate variability offers a closer look at how your heart behaves from one beat to the next. While heart rate measures the average number of beats per minute, heart rate variability bases a ...
Becker's Hospital Review

3 Steps to Managing Variability in Cost and Quality

Spiraling healthcare costs and growing concern over the quality of patient care are topics of intense focus across the industry. One key to improving quality and reducing cost lies in monitoring, ...
ascopubs.org

Relationship of variability in tumor measurement and response assessment.

Prediction of early death among patients (pts) enrolled in phase I trials: Development and validation of a new model based on platelet count and albumin level. A multicenter phase II neoadjuvant trial ...
ascopubs.org

Interobserver and Intraobserver Variability in Measurement of Non–Small-Cell Carcinoma Lung Lesions: Implications for Assessment of Tumor Response

Phase I Trial of Concurrent Twice-Weekly Recombinant Human Interleukin-12 Plus Low-Dose IL-2 in Patients With Melanoma or Renal Cell Carcinoma Purpose: Response of solid malignancies to therapy is ...
The University of Alabama at Birmingham

This formula could offer an early warning sign for aging brains: Cognitive intra-individual variability

“Elevated IIV has been found to predict progression from normal cognitive status to mild cognitive impairment and dementia, ...