The Klinefelter Multi-Specialty Clinic at St Thomas Hospital, London is trying to estimate the risks and burdens of patients with Klinefelter Syndrome (KS) during the CoVid 19 pandemic, especially in relation to thrombo-embolic events like deep vein thrombosis (DVT) - blood clot in leg, pulmonary embolism (PE) - blood clot in lung & strokes. These questions can help us tailor advice and guide recommendations for the national-access clinic and for other KS bodies such as the Klinefelter Association (KSA). Thank you for your time and effort in helping us. The survey should take about 5 mins to complete.  For more information about the clinic & KSA please visit theklinefeltersyndromeclinic.com & www.ksa-uk.net - PLEASE NOTE THAT THERE IS CURRENTLY NO EVIDENCE THAT KS PATIENTS ARE AT HIGHER RISK OF COVID 19 THAN THE GENERAL POPULATION.

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* 1. Have you ever had a proven thrombo-embolic event (e.g. deep vein thrombosis (DVT) - blood clot in leg / pulmonary embolus (PE) - blood clot in lung)/ stroke )?

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* 2. When you had your thrombo-embolic event (DVT/PE/stroke)  were you on any testosterone - enhancing therapy ?

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* 3. If you were on testosterone enhancing medication in Q2, how long were you on the medication before you had the DVT/PE/stroke?

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* 4. Were you made aware of the potentially increased risk of thrombo-embolic events in both Klinefelter Syndrome and in testosterone-enhancing medication?

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* 5. What is your age?  Also in the Comments, please indicate how old you were when you had your first thromboembolic event (if applicable)

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* 6. What is your BMI (body mass index) - if unknown please state height & weight in comments. Also importantly please state any medical condition(s) and all medication in the comments

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* 7. Did you have a proven or suspected CoVID 19 infection?
PLEASE NOTE THAT THERE IS CURRENTLY NO EVIDENCE THAT KS PATIENTS ARE AT HIGHER RISK OF COVID 19 THAN THE GENERAL POPULATION.

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* 8. If you answered YES to Q7, did you get admitted to hospital and/or intensive care and for how long?

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* 9. After you were suspected to have /diagnosed with CoVID 19 did you subsequently have a proven thrombo-embolic event (DVT/PE/stroke) ?

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* 10. If you were hospitalised, were you given injections or tablets to thin your blood to prevent risks of thrombo-embolic events (DVT/PE/stroke)? 

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