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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