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