Ud af disse havde 53 (85%) Larons syndrom- lignende fænotype; 7 (11%) havde GH- gentab, og 1 (2%) havde neutraliserende antistoffer over for GH.
Of these, 53 (85%) had Laron syndrome-like phenotype; 7 (11%) had GH gene deletion, and 1 (2%) had neutralizing antibodies to GH.