Forest Plot from Scientific Research

Participants with complete data for all variables are included in analyses (2760 participants; 68 incident SARS-CoV-2 breakthrough infections). A C-index of 1.0 indicates perfect prediction of the order of failure; a C-index of 0.5 is achieved purely by chance. Immunological parameters were entered as log2-transformed continuous terms. sVNT=surrogate SARS-CoV-2 virus neutralisation test. *Refers to a SARS-CoV-2 infection before study entry established by self-report.

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