Table 1

Sensitivity and specificty of IGF-1 and IGFBP-3 in predicting growth hormone (GH) deficiency

Peak GH
< 10 mU/l
Peak GH
< 20 mU/l
IGF-1
Sensitivity37.5%29.5%
Specificity79.7%79.6%
Likelihood ratio 1.85 1.5
IGFBP-3
Sensitivity31.5%27.8%
Specificity76.3%76.2%
Likelihood ratio 1.33 1.2