Evaluation of second trimester maternal serum screening for Down's Syndrome using the Spiegelhalter-Knill-Jones (S-KJ) approach

Verfasser / Beitragende:
[Hsiao-Lin Hwa, Ming-Fang Yen, Fon-Jou Hsieh, Tsang-Ming Ko, Tony Hsiu-Hsi Chen]
Ort, Verlag, Jahr:
2004
Enthalten in:
Journal of Perinatal Medicine, 32/5(2004-09-01), 407-412
Format:
Artikel (online)
ID: 378917315
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024 7 0 |a 10.1515/JPM.2004.137  |2 doi 
035 |a (NATIONALLICENCE)gruyter-10.1515/JPM.2004.137 
245 0 0 |a Evaluation of second trimester maternal serum screening for Down's Syndrome using the Spiegelhalter-Knill-Jones (S-KJ) approach  |h [Elektronische Daten]  |c [Hsiao-Lin Hwa, Ming-Fang Yen, Fon-Jou Hsieh, Tsang-Ming Ko, Tony Hsiu-Hsi Chen] 
520 3 |a Aims: Risk estimation for Down's syndrome in antenatal serum screening with maternal age and multiple serum biomarkers is usually complicated and computationally intensive. We have developed a simple scoring system using the Spiegelhalter-Knill-Jones approach, which was based on Bayesian theorem and the logistic regression model. Methods: A prospective data set with 3842 singleton pregnancies including 6 affected pregnancies served as "trained data”. Maternal age, maternal serum alpha-fetoprotein and human chorionic gonadotrophin levels of each pregnant woman were adopted as the predictors to establish the scoring model using the S-KJ approach. Model validation was undertaken using a receiver operating characteristics (ROC) curve with another 3050 singleton pregnancies including 4 affected pregnancies ("validated data”). Results: For the trained data the sensitivity and specificity of the scoring system at cut-off value of 1:250 was 66.7% and 92.6%, respectively. For the validated data the sensitivity and specificity at the same cut-off point was 75% and 92.2%, respectively. The area under the ROC curve of the trained and validated data was 76.96% (95% CI: 51.80-100%), and 94.07% (95% CI: 84.47-100%), respectively. Conclusions: The S-KJ scoring system has been demonstrated to be a simple, and efficient method for the risk estimation of Down's syndrome. This system can be applied to other antenatal serum screening systems. 
540 |a © Walter de Gruyter 
690 7 |a Human reproduction, growth & development  |2 nationallicence 
690 7 |a Gynaecology & obstetrics  |2 nationallicence 
690 7 |a Paediatric medicine  |2 nationallicence 
690 7 |a Antenatal serum screening  |2 nationallicence 
690 7 |a Bayesian theorem  |2 nationallicence 
690 7 |a Down's syndrome  |2 nationallicence 
690 7 |a Logistic regression  |2 nationallicence 
690 7 |a Spiegelhalter-Knill-Jones (S-KJ) approach  |2 nationallicence 
700 1 |a Hwa  |D Hsiao-Lin  |u Department of Obstetrics and Gynecology, National Taiwan, University Hospital and National Taiwan University College of Medicine, National Taiwan University, Taiwan  |4 aut 
700 1 |a Yen  |D Ming-Fang  |u Institute of Preventive Medicine, College of Public Health, National Taiwan University, Taiwan  |4 aut 
700 1 |a Hsieh  |D Fon-Jou  |u Department of Obstetrics and Gynecology, National Taiwan, University Hospital and National Taiwan University College of Medicine, National Taiwan University, Taiwan  |4 aut 
700 1 |a Ko  |D Tsang-Ming  |u Department of Obstetrics and Gynecology, National Taiwan, University Hospital and National Taiwan University College of Medicine, National Taiwan University, Taiwan  |4 aut 
700 1 |a Chen  |D Tony Hsiu-Hsi  |u Institute of Preventive Medicine, College of Public Health, National Taiwan University, Taiwan  |4 aut 
773 0 |t Journal of Perinatal Medicine  |d Walter de Gruyter  |g 32/5(2004-09-01), 407-412  |x 0300-5577  |q 32:5<407  |1 2004  |2 32  |o jpme 
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950 |B NATIONALLICENCE  |P 700  |E 1-  |a Hwa  |D Hsiao-Lin  |u Department of Obstetrics and Gynecology, National Taiwan, University Hospital and National Taiwan University College of Medicine, National Taiwan University, Taiwan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Yen  |D Ming-Fang  |u Institute of Preventive Medicine, College of Public Health, National Taiwan University, Taiwan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Hsieh  |D Fon-Jou  |u Department of Obstetrics and Gynecology, National Taiwan, University Hospital and National Taiwan University College of Medicine, National Taiwan University, Taiwan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Ko  |D Tsang-Ming  |u Department of Obstetrics and Gynecology, National Taiwan, University Hospital and National Taiwan University College of Medicine, National Taiwan University, Taiwan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Chen  |D Tony Hsiu-Hsi  |u Institute of Preventive Medicine, College of Public Health, National Taiwan University, Taiwan  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Journal of Perinatal Medicine  |d Walter de Gruyter  |g 32/5(2004-09-01), 407-412  |x 0300-5577  |q 32:5<407  |1 2004  |2 32  |o jpme 
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