Unlabelled: Vaccine-inducing immune thrombocytopenia, thrombosis, and bleeding emerge as infrequent and potential complications with mortality risk in healthy subjects. However, differences between survivors and non-survivors with SARS-CoV-2 vaccine-induced thrombotic thrombocytopenia (VITT) are unclear.
Methods: According to the PRISMA statement, we conducted a systematic review and meta-analysis, and the protocol was registered in PROSPERO.