Skip to main content

Advertisement

Table 2 Descriptive statistics including decision limits for the 6 unadjusted and adjusted GH-2000 scores

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

Assay pair   n mean sa Mean + 3.72*s ub DLc
P-III-NP IGF-I        
Siemens LC-MS Unadjusted Adjusted 947 947 6.5393 6.5382 1.2412 1.2424 11.1566 11.1599 0.1872 0.1874 11.34 11.35
Siemens Immunotech Unadjusted Adjusted 971 971 6.4292 6.4287 1.3189 1.3284 11.3355 11.3703 0.1965 0.1979 11.53 11.57
Siemens IDS Unadjusted Adjusted 970 970 5.9935 5.9931 1.1925 1.1954 10.4296 10.4400 0.1777 0.1782 10.61 10.62
Orion LC-MS Unadjusted Adjusted 966 966 4.7062 4.7047 1.2902 1.2976 9.5057 9.5318 0.1927 0.1938 9.70 9.73
Orion Immunotech Unadjusted Adjusted 999 999 4.5984 4.5984 1.3925 1.4077 9.7785 9.8350 0.2045 0.2068 9.98 10.04
Orion IDS Unadjusted Adjusted 992 992 4.1614 4.1611 1.2522 1.2610 8.8196 8.8520 0.1846 0.1859 9.00 9.04
  1. as is the standard deviation, bu is the uncertainty correction (13), cDL is the decision limit (12)