Table 1

Inclusion criteria for CVT cases and controls

Inclusion criteria for CVT casesInclusion criteria for controls
Age ≥18 years at the time of enrolmentAge ≥18 years at the time of enrolment
CVT determined using:

  • CT or MRI brain

  • Dedicated venography (CTA, MRA, or conventional angiogram)

No history of CVT/stroke or any other thrombotic or chronic condition
Patient or relative provision of informed written consentProvision of informed written consent

  • CTA, CT angiography; CVT, cerebral venous thrombosis; MRA, MR angiography.