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Utility of HACOR Score in Patients with Acute Exacerbation of Post-tuberculosis Obstructive Airway Disease: A
Siddharth R Waghmare1, Swapnil Thorve2, Sonal Karpe3
1Assistant Professor, Department of Respiratory Medicine, Lokmanya Tilak Municipal Medical College and General Hospital (LTMGH), Mumbai, Maharashtra, India, Corresponding Author.
Objective:
In this study, we tried to analyze the utility of the HACOR score in the acute exacerbation of post-tuberculosis obstructive airway disease (post-TB-OAD).
Materials And Methods:
The HACOR score for patients in acute exacerbation of post-TB-OAD who needed noninvasive ventilation (NIV) support was calculated at 1, 12, 24, and 48 hours. The history of NIV success or failure was noted. Using a cutoff score of >5, the sensitivity, specificity, positive predictive value, and negative predictive value were calculated. The receiver operating characteristic (ROC) curve was plotted based on the HACOR score 1 hour after the NIV trial. In subjects requiring NIV for up to 2 days, the trend in the HACOR score was analyzed using a paired t-test.
Results:
A total of 38 out of 100 patients belonged to the NIV failure group. The mean HACOR score at 1 hour was 9.47 in the NIV failure group. The sensitivity was 89.47%, and the specificity was 87.09% for a score of >5. The positive predictive value and negative predictive value were 80.95 and 93.10%, respectively. The area under the curve (AUC) for the ROC was 0.853. The mean score showed an upward trend in the NIV failure group and a downward trend in the NIV success group. The change in the score in the NIV success group was statistically significant (t = -4.290, p-value = 0.00044).
Conclusion:
The HACOR score can predict NIV failure in patients with acute exacerbation of post-TB-OAD.
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