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Chapter 4 Results - etheses Repository

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List of Tables<br />

Table 1 List of tests that purported to predict spontaneous preterm birth................................36<br />

Table 2 Guide to the likelihood ratio (LR) interpretation of a test’s accuracy.........................38<br />

Table 3 Summary of tests’ accuracy results for predicting spontaneous preterm birth before 34<br />

weeks’ gestation in asymptomatic antenatal women..............................................................170<br />

Table 4 Summary of tests’ accuracy results for predicting spontaneous preterm birth before 37<br />

weeks’ gestation in asymptomatic antenatal women..............................................................171<br />

Table 5 Summary of tests’ accuracy results for predicting spontaneous preterm birth within 48<br />

hours of testing in symptomatic women with threatened preterm labour ..............................172<br />

Table 6 Summary of tests’ accuracy results for predicting spontaneous preterm birth within 7<br />

– 10 days of testing in symptomatic women with threatened preterm labour........................172<br />

Table 7 Summary of tests’ accuracy results for predicting spontaneous preterm birth before 34<br />

weeks’ gestation in symptomatic women with threatened preterm labour ............................173<br />

Table 8 Summary of tests’ accuracy results for predicting spontaneous preterm birth before 37<br />

weeks’ gestation in symptomatic women with threatened preterm labour ............................173<br />

Table 9 Testing among symptomatic pregnant women for risk of spontaneous preterm birth<br />

and number of women needed to be tested and treated with antenatal maternal administration<br />

of corticosteroids to prevent respiratory distress syndrome before 34 weeks’ gestation for<br />

anticipated birth within 7 days of testing, based on a prevalence of spontaneous preterm birth<br />

of 4.5%, risk of respiratory distress syndrome (RDS) of 53% and relative risk treatment effect<br />

of corticosteroids of 0.66 1 .......................................................................................................183<br />

Table 10 Characteristic of studies on accuracy of maternal history of previous spontaneous<br />

preterm birth in predicting subsequent spontaneous preterm birth ........................................204<br />

Table 11 Individual accuracy results of maternal history of previous spontaneous preterm<br />

birth in predicting subsequent spontaneous preterm birth......................................................205<br />

Table 12 Characteristics of test accuracy studies of digital examination in predicting<br />

spontaneous preterm birth stratified according to population of antenatal asymptomatic<br />

women and women symptomatic with threatened preterm labour.........................................206<br />

Table 13 Individual accuracy results of digital examination in predicting spontaneous preterm<br />

birth stratified according to population of asymptomatic antenatal women and symptomatic<br />

women with threatened preterm labour..................................................................................208<br />

Table 14 Characteristic of studies on the accuracy of bedside cervico-vaginal fetal fibronectin<br />

testing as a predictor of spontaneous preterm birth stratified according to study population of<br />

asymptomatic antenatal women and symptomatic women who presented with threatened<br />

preterm labour ........................................................................................................................210<br />

Table 15 Individual accuracy results of cervico-vaginal fetal fibronectin (fFN) in predicting<br />

spontaneous preterm birth among symptomatic women with threatened preterm labour......217<br />

Table 16 Individual accuracy results of cervico-vaginal fetal fibronectin (fFN) in predicting<br />

spontaneous preterm birth among asymptomatic antenatal women.......................................219<br />

Table 17 Characteristics of studies on test accuracy of cervico-vaginal prolactin in predicting<br />

spontaneous preterm birth stratified according to population of antenatal asymptomatic<br />

women and symptomatic women with threatened preterm labour.........................................220<br />

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