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Statistical Analysis on Each variable of Fetal Heart Rate and Outcomes of Newborn Infants / 대한주산의학회잡지
Korean Journal of Perinatology ; : 360-366, 1999.
Article in Korean | WPRIM | ID: wpr-14188
ABSTRACT

OBJECTIVE:

Nonstress test(NST) has become an important method of antepartum evaluation of fetal well-being. The fetal heart rate(FHR) testing is used frequently as a nonstress test(NST). However, NST highly depends on whom to interpret the result of FHR testing. Recently, for interpretation of FHR, objective decision methods using softwares have been introduced. In this study, we aim to analyse the correlation between each variable affecting FHR and fetal outcome using objective decision basis with principal component analysis and multiple regression analysis. MATERIALS AND

METHODS:

The clinical observation was made on 5,314 data from pregnant women who took a NST which had been collected from 1989 to 1997 at Hanyang University Hospital. For collection of data and values of each variable, we used our own FHR interpretation softwares, HYFM-I(DOS version, 1989) and HYFM-II(Window-version, 1998). Then, the principal component analysis is performed to find significant variable and multiple regression analysis using these variables.

RESULTS:

Each groups were divided and classified as followings ; 1 minute Apgar score-normal, 1 minute Apgar score-abnormal, 5 minute Apgar score-nomal, 5 minutes Apgar score-abnormal; there is significant difference between signal loss and 1 minute Apgar score only. And significant difference was shown between mean baseline FHR, FHR variability-amplitude, FHR variability-MMR, and fetal outcomes(body weight of newborn & Apgar score). The FHR variability-amplitude, FHR variability-MMR, and weight of baby were important values in predict of fetal well-being.

CONCLUSIONS:

In conclusion, there are close relation in each variable of FHRand fetal outcome. The result of this study would be useful background data in the development of objective and automated FHR analysis software, especially in the computerized FHR analysis system.
Subject(s)
Full text: Available Index: WPRIM (Western Pacific) Main subject: Apgar Score / Heart Rate, Fetal / Principal Component Analysis / Pregnant Women / Fetal Heart Type of study: Prognostic study Limits: Female / Humans / Infant, Newborn / Pregnancy Language: Korean Journal: Korean Journal of Perinatology Year: 1999 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Apgar Score / Heart Rate, Fetal / Principal Component Analysis / Pregnant Women / Fetal Heart Type of study: Prognostic study Limits: Female / Humans / Infant, Newborn / Pregnancy Language: Korean Journal: Korean Journal of Perinatology Year: 1999 Type: Article