Cut-off limits for the diagnosis of growth hormone deficiency for six commercially available growth hormone assays and one mass spectrometry assay
| Assay | Cut-off limit (µg/L) |
|---|---|
| Immulite 2000 (Siemens) | 7.77 |
| AutoDELFIA (Perkin-Elmer) | 7.44 |
| Mass Spectrometry T12 fragment | 7.43 |
| iSYS (IDS) | 7.09 |
| Liasion (DiaSorin) | 6.25 |
| Mass Spectrometry T6 fragment | 5.48 |
| Dxl (Beckman Coulter) | 5.15 |
| ELISA (Mediagnost) | 5.14 |
| BC-IRMA (Beckman Coulter) | 4.32 |
Data taken from Wagner et al.4