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Table 2 Cut-off limits derived from the same cohort of short children with different GH assays (adapted from reference [76])

From: Growth hormone: isoforms, clinical aspects and assays interference

Assay Cut off limit (ng/mL)
Immulite 2000 (Siemens) 7.77
AutoDELFIA (Perkin-Elmer) 7.44
iSYS (IDS) 7.09
Liaison (DIASorin) 6.25
RIA (in-house Tübingen) 5.28
Dxl (Beckmann-Coulter) 5.15
ELISA (Mediagnost) 5.14
BC-IRMA (Beckmann-Coulter) 4.32