Correlation of bleeding score with frequency and severity of bleeding symptoms in FXIII deficiency assessing by the ISTH Bleeding Assessment Tool

Abstract Objectives The ISTH bleeding assessment tool (ISTH-BAT) is developed for standardization of bleeding symptoms in bleeding disorders. The aim of this study is to apply this bleeding score for FXIII deficient patients and its relation to the frequency and severity of symptoms. Methods In this cross-sectional study, 63 patients with severe FXIII deficiency were evaluated for the assessment of bleeding score according to the standard ISTH-BAT questionnaire. All patients were registered at two major thrombosis and hemostasis centers in Iran affiliated to Zahedan University of medical sciences (50 patients) and Shiraz University of medical sciences (13 patients). Results Significant correlations between the bleeding score and number of symptoms (r = 0.668, P  Conclusion The ISTH-BAT score is an acceptable bleeding assessment tool for standardization and evaluation of patients with FXIII deficiency.