Diagnostic Accuracy of Chest X-Ray in Detecting Interstitial Lung Disease Taking HRCT as Gold Standard
DOI:
https://doi.org/10.70749/ijbr.v3i4.2999Keywords:
Chest X-ray, Computed Tomography, Connective Tissue Disease, Diagnostic Accuracy, Interstitial Lung Disease.Abstract
Objective: To determine diagnostic accuracy of chest X-rays to diagnose interstitial lung disease keeping high resolution computed tomography as gold standard. Methods: This validation study was conducted at “Radiology department of Islamabad Diagnostic Center, Islamabad from 21st June to 21st December 2024. Ninety two patients clinically suspected cases of interstitial lung disease were included in the study. They underwent chest X-rays and HRCT chest to see for presence of characteristic radiological findings of interstitial lung disease. Based on findings, diagnostic accuracy parameters were calculated by drawing 2x2 contingency tables. Data was statistically analyzed using SPSS version 25. Results: Median age was 52.00 (69.00 – 35.00) years. There were 35 (38.00%) males and 57 (62.00%) females. Median duration of symptoms was 9.00 (14.00 – 7.00) weeks. Sensitivity, specificity, accuracy, positive predictive value and negative predictive value of chest x-ray to diagnose interstitial lung disease with chest HRCT being the gold standard were 67.16%, 48.00%, 61.96%, 77.59% and 35.29%, respectively. Conclusion: Diagnostic accuracy of chest X-rays to diagnose interstitial lung disease was 61.96%.
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