Random urinary gonadotropins as a useful initial test for girls with central precocious puberty
- Authors
- Shim, Young Suk; An, Se Hwan; Lee, Hye Jin; Kang, Min Jae; Yang, Seung; Hwang, Il Tae
- Issue Date
- Oct-2019
- Publisher
- JAPAN ENDOCRINE SOC
- Keywords
- Precocious puberty; Urinary gonadotropins; Gonadotropin-releasing hormone stimulation test
- Citation
- ENDOCRINE JOURNAL, v.66, no.10, pp.891 - 903
- Indexed
- SCIE
SCOPUS
- Journal Title
- ENDOCRINE JOURNAL
- Volume
- 66
- Number
- 10
- Start Page
- 891
- End Page
- 903
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/146977
- DOI
- 10.1507/endocrj.EJ19-0071
- ISSN
- 0918-8959
- Abstract
- Recent evidence indicates that urinary gonadotropins may be an alternative method for detecting pubertal disorders. The aim of this study was to evaluate the associations of first morning voided (FMV) and random urinary gonadotropins with the pubertal response to a gonadotropin-releasing hormone (GnRH) stimulation test to determine whether random urinary gonadotropins can be used as an alternative method for evaluating central precocious puberty (CPP). In total, 100 girls aged 6.0-8.9 years were enrolled. The subjects were divided into two groups according to their pubertal response to the GnRH stimulation test: a positive group (11 - 68) and a negative group (n = 32). Random urinary luteinizing hormone (LH), follicle-stimulating hormone (FSH), and the LH:FSH ratio were significantly positively correlated with FMV urinary LH (r= 0.411, p < 0.001), FMV urinary FSH (r = 0.494, p < 0.001), and the FMV urinary LH:FSH ratio (r= 0.519, p < 0.001). The optimal cutoff values from receiver operating characteristic (ROC) curve analyses were determined to be 0.20 IU/L for random urinary LH (area under the curve (AUC) of 0.812, p < 0.001), 3.03 IU/L for random urinary FSH (AUC of 0.670, p = 0.004) and 0.08 for the random urinary LH:FSH ratio (AUC of 0.784, p < 0.001). No differences were observed between FMV and random urinary LH (p= 0.827), between FMV and random urinary FSH (p = 0.650), or between the FMV and random urinary LH:FSH ratio (p = 0.688) in ROC curve analyses with DeLong's test. Based on our findings, random urinary gonadotropins may be applicable in clinical practice as a useful initial test for girls with CPP.
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