Vries, D. de

patient fracture study group treatment situation placebo hip fracture baseline change journal 75 years subject barthel index hospital barthel index effect hgh group hip fractures igf-i surgery hip fracture patients barthel index score pre-fracture growth difference hormone placebo group outcome treatment groups period score growth hormone analysis endocrinology event european others european journal 6 weeks level value european journal table recovery serum protein university hospital dijkzigt 20 mg /kg hip fracture accident visit rotterdam netherland 8 weeks treatment phase 5060 years 24 weeks therapy phase department www.eje.org placebo-treated safety increase igfbp result return model study period 100.0 germany hgh treatment post-baseline measurement status hip fracture event pearson chi-square test concentration follow-up patient population hgh dose