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Table 1 (abstract O3). Serum AST activity (U/L) in mother and daughter at birth (top) and two months later (bottom). Diagnostic cut-off for macroAST is a residual AST activity after PEG precipitation <30%

From: Proceedings of the 33rd Congress of the Italian Society of Neonatology, Lombardy Section, 31 January - 1 February 2020

  Native sample Sample after precipitation by PEG % residual
Mother 762 36 5%
Daughter 940 62 7%
Mother 908 8 1%
Daughter 384 72 19%