PMID- 29336188 OWN - NLM STAT- MEDLINE DCOM- 20180919 LR - 20221207 IS - 1502-7686 (Electronic) IS - 0036-5513 (Linking) VI - 78 IP - 3 DP - 2018 May TI - Establishment of reference interval for the tumour marker serum CYFRA 21-1 in healthy Chinese Han ethnic adults. PG - 171-174 LID - 10.1080/00365513.2018.1426105 [doi] AB - BACKGROUND: Our aim was to establish the reference interval (RI) for serum CYFRA 21-1 in healthy Chinese Han ethnic adults, since there has been no report about it. METHODS: After screening, 9954 healthy Chinese Han adults (age range 18-95 years) were recruited, including 6639 (66.7%) males and 3315 (33.3%) females. Electrochemiluminescence immunoassay was used to measure serum CYFRA21-1. The RI was defined by nonparametric 95% percentile interval. RESULTS: The distribution for serum CYFRA21-1 level was non-Gaussian. The RI for healthy Chinese Han adults calculated by nonparametric method was 0-4.47 ng/ml in this study, higher than that recommended by Roche Diagnostics GmbH (