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:: Volume 7, Issue 1 (1-2016) ::
Caspian J Intern Med 2016, 7(1): 37-42 Back to browse issues page
Serum C-reactive protein in asthma and its ability in predicting asthma control, a case-control study
Mahmoud Monadi *, Alireza Firouzjahi, Amin Hosseini, Yahya Javadian, Majid Sharbatdaran, Behzad Heidari
Babol University of medical sciences , monadim@yahoo.com
Abstract:   (8062 Views)

 Background: Increased serum high sensitive C-reactive protein (hs-CRP) in asthma and its association with disease severity has been investigated in many studies. This study aimed to determine serum hs-CRP status in asthma versus healthy controls and to examine its ability in predicting asthma control.

Methods: Serum CRP was measured by ELISA method using a high sensitive CRP kit. Severity of asthma was determined using Asthma Control Test. Spearman and chi square tests were used for association and correlation respectively. The predictive ability was determined by receiver operating characteristics (ROC) analysis. Accuracy was determined by determination of area under the ROC curve (AUC).

Results: A total of 120 patients and 115 controls were studied. Median serum hs-CRP in asthma was higher than control (P=0.001. In well controlled asthma the hs-CRP decreased significantly compared with poorly controlled (P=0.024) but still was higher than control (P=0.017). Serum hs-CRP at cutoff level of 1.45 mg/L differentiated the patients and controls with accuracy of 63.5 % (AUC= 0.635±0.037, P=0.001). Serum hs-CRP &le 2.15 mg/L predicted well controlled asthma with accuracy of 62.5% (AUC= 0.625±0.056, p=0.025). After adjusting for age, sex, weight and smoking, there was an independent association between serum hs-CRP >1.45 mg/L and asthma by adjusted OR=2.49, p=0.018).

Conclusion: These findings indicate that serum hs-CRP in asthma is higher than healthy control and increases with severity of asthma and decreases with. Thus, serum hs-CRP measurement can be helpful in predicting asthma control and treatment response.

Keywords: Asthma, Asthma control, High sensitive C-reactive protein, Prediction
Full-Text [PDF 140 kb]   (5783 Downloads)    
Type of Study: Original Article | Subject: Pulmonology
Received: 2015/10/20 | Accepted: 2015/10/26 | Published: 2016/01/10
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Monadi M, Firouzjahi A, Hosseini A, Javadian Y, Sharbatdaran M, Heidari B. Serum C-reactive protein in asthma and its ability in predicting asthma control, a case-control study. Caspian J Intern Med. 2016; 7 (1) :37-42
URL: http://caspjim.com/article-1-642-en.html


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Volume 7, Issue 1 (1-2016) Back to browse issues page
Caspian Journal of Internal Medicine
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