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Table 1 Estimated β-coefficients of the age-effects for the six GH-2000 scores and their associated standard errors

From: Statistical methodology for age-adjustment of the GH-2000 score detecting growth hormone misuse

GH-2000 score \( \widehat{\beta} \) age S.E.
P-III-NP assay IGF-I assay   
Siemens LC-MS/MS 0.0418 0.0082
Siemens Immunotech 0.0261 0.0086
Siemens IDS 0.0359 0.0070
Orion LC-MS/MS 0.0363 0.0077
Orion Immunotech 0.0202 0.0085
Orion IDS 0.0318 0.0077