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Table 2 IGF-1 and GH status

From: Utility of serum IGF-1 for diagnosis of growth hormone deficiency following traumatic brain injury and sport-related concussion

 

GH deficient

Non-GH deficient

IGF-1 low

0

1

IGF-1 normal

25

15

Median z-score

−0.214

− 0.060 p = 0.979