This study looks at whether adding simple family history questions to a standard bleeding questionnaire can better identify children who truly have mild bleeding disorders. Because young children often haven't had major bleeding challenges yet, their own symptoms may not tell the full story, so family history could provide important extra information. By reviewing several years of clinic data, the researchers aim to see if this combined approach helps doctors decide more accurately who needs further testing, especially in children under 8 years old.
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.
Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.
The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
BAT+ Classification
Timeframe: From January 2019, through December 1, 2024
Bleeding Assessment Tool (BAT) Score
Timeframe: From January 2019, through December 1, 2024
Probability of Diagnosed Bleeding Disorder Based on BAT Score
Timeframe: From January 2019, through December 1, 2024
Probability of Diagnosed Bleeding Disorder Based on BAT+ Status
Timeframe: From January 2019, through December 1, 2024
Confirmed Bleeding Disorder Diagnosis by Category
Timeframe: From January 2019, through December 1, 2024
Diagnostic Accuracy of BAT
Timeframe: From January 2019, through December 1, 2024
Diagnostic Accuracy of BAT+
Timeframe: From January 2019, through December 1, 2024
Likelihood Ratios for BAT
Timeframe: From January 2019, through December 1, 2024
Likelihood Ratios for BAT+
Timeframe: From January 2019, through December 1, 2024
Area Under the ROC Curve (AUC) for BAT
Timeframe: From January 2019, through December 1, 2024
Area Under the ROC Curve (AUC) for BAT+
Timeframe: From January 2019, through December 1, 2024
Optimized BAT Cutoff Score
Timeframe: From January 2019, through December 1, 2024
Optimized BAT+ Cutoff Score
Timeframe: From January 2019, through December 1, 2024