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Age- and gender-specific incidence rates of thrombosis with thrombocytopenia (TWT); we report the incidence rate per 1000 person-years for TWT, defined as patients with a new diagnosis of thrombosis (identified using the narrow set of diagnosis codes) and a new diagnosis of thrombocytopenia (identified either by a diagnosis code or a platelet measurement ≤ 150,000 per microliter) within 7 days
