Related Experiment Video
Updated: Mar 18, 2026

Erythrocyte Sedimentation Rate: A Physics-Driven Characterization in a Medical Context
Published on: March 24, 2023
Correlation between erythrocyte sedimentation rate and C-reactive protein level in patients with rheumatic diseases
Anna Kotulska1, Magdalena Kopeć-Mędrek1, Anida Grosicka1
1Department of Internal Medicine and Rheumatology, Medical University of Silesia, Katowice, Poland.
Objectives:
Erythrocyte sedimentation rate (ESR) and serum level of C-reactive protein (CRP) are the acute phase reactants most commonly determined in patients with rheumatic diseases. The indices are affected by different factors, but both of them are applied for evaluation of the disease activity in patients with inflammatory disorders of the musculoskeletal system.
Material And Methods:
The authors compared the results of ESR and CRP, which were carried out during routine diagnosis in 200 patients admitted to the Department of Rheumatology.
Results:
A significant correlation between ESR and CRP was found (ESR after 1 h/CRP: correlation coefficient 0.6944, ESR after 2 h/CRP: correlation coefficient 0.6126). There was no difference in ESR or CRP between male and female patients, and patients older than 40 years had higher ESR and CRP.
Conclusions:
The obtained results support the usefulness of both indices in the clinical practice of rheumatologists.
More Related Videos
04:50Preliminary Study on Acupuncture Combined with Grain-sized Moxibustion for Treating Rheumatoid Arthritis with Finger Joint Pain
Published on: May 16, 2025
07:44Author Spotlight: Implementation of BIVA for Analyzing Disease Risk Factors in Patients with Low Body Cell Mass
Published on: July 14, 2023
Related Concept Videos
Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies
Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
Rheumatic Heart Disease I: Introduction
Rheumatic Heart Disease IV: Nursing Management
Correlations
Coefficient of Correlation
If you suspect a linear relationship between x and y, then r can measure how strong the linear relationship is.
What the VALUE of r tells us:
The value of r is always between –1 and +1: –1 ≤ r ≤ 1.
The size of the correlation r indicates the...