Correlation of High sensitivity C-reactive Protein Levels with Body Mass Index in a Group of Adults in Erbil City
Keywords:High sensitivity C-reactive protein, Body mass index, Obesity.
Background and Objectives: The prevalence of overweight and obesity is increasing worldwide. Obesity
is related to morbidity and mortality. High sensitivity C - reactive protein (hs-CRP) is an important
inflammatory marker to predict cardiovascular diseases. This study aims to correlate between hs-CRP levels
and BMI among healthy adults.
Materials and Methods: A cross-sectional study was conducted on 200 healthy adults from May 2019 to
October 2019. The study population was divided into four groups based on BMI; normal, overweight, obese
I, and obese II. Hs-CRP level was measured in all groups. Multiple linear regression analysis was done to
find out the independent factors affecting hs-CRP.
Results: Out of 200 participants, 56 (28%) had normal BMI, 43(21.5%) were overweight, 57(28.5%) were
obese group I and 44 (22%) were obese group II. The mean hs-CRP of the normal weight and overweight
participants was 1.03 mg/dl and 1.37 mg/dl respectively (p= 0.725), then there was a marked increase to
3.75 mg/dl and 7.69 mg/dl among the obese I and obese II participants respectively (p < 0.001). A positive
significant correlation was found between the hs-CRP levels and the BMI (r = 0.436, p < 0.001). The only
factor that was independently associated with the high hs-CRP was the BMI (B = 0.357, p < 0.001).
Conclusion: Rising BMI was significantly correlated with hs-CRP. The higher the BMI, the higher will
be plasma hs-CRP levels, suggesting the presence of chronic systemic inflammation which might lead to
cardiovascular events in the future.
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