Abbreviations: PGHD, partial growth hormone deficiency; CGHD, complete growth hormone deficiency; ISS, idiopathic short stature; SSS, syndromic short stature; GSD, genetic skeletal disorders; GV, growth velocity; HtSDS, standard deviation score of height; BMI SDS, standard deviation of body mass index; IGF-1 SDS, standard deviation of insulin-like growth factor 1; BA, bone age; CA, chronological age; a, before treatment; b, after one year; F-value and p-value were calculated for the mean differences of the clinical characteristics between the five diagnostic groups. Here, IGF1 is linked to disorder of glycogen metabolism.