[Application of ROC curve for evaluation of the effect of prenatal screening during second trimester of pregnancy].
Zhonghua Yi Xue Yi Chuan Xue Za Zhi
; 30(5): 616-8, 2013 Oct.
Article
em Zh
| MEDLINE
| ID: mdl-24078584
ABSTRACT
OBJECTIVE:
To develop a method for evaluating the feasibility of prenatal screening using local median value and determining the cut-off value.METHODS:
With receiver operating characteristic curve (ROC) analysis, results of second trimester prenatal screening calculated by a local median value in a new model and the built-in median value in 2T software were compared. The cut-off value was set by serial analysis of true and false positive rates and other relevant data.RESULTS:
The ROC curve has accurately estimated the difference in the screening efficacy between a local median value and that embedded in the 2T model, and established a reasonable cut-off value for the laboratory based on false positive rate and detection rate.CONCLUSION:
The method of ROC curve can be used to evaluate the performance of local median value in prenatal screening and to test the rationality of cut-off value established in the laboratory. As the result, a better cut-off value may be derived.
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Segundo Trimestre da Gravidez
/
Diagnóstico Pré-Natal
/
Síndrome de Down
Tipo de estudo:
Diagnostic_studies
/
Evaluation_studies
/
Prognostic_studies
/
Screening_studies
Limite:
Female
/
Humans
/
Male
/
Pregnancy
País/Região como assunto:
Asia
Idioma:
Zh
Ano de publicação:
2013
Tipo de documento:
Article