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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