Background
Methods
Eligibility criteria
Population
Index test
Reference test
Outcome
Study design
Information sources
Search strategies
Step | Concept | Search strategy |
---|---|---|
#1 | Population = pregnant women | “Pregnancy”[Mesh: NoExp] OR “Pregnancy Outcome”[Mesh: NoExp] OR “Pregnancy, High-Risk”[Mesh] OR “Pregnancy Trimesters”[Mesh] OR pregnant[TIAB] OR pregnanc*[TIAB] OR gestation*[TIAB] OR fetus[Mesh: NoExp] OR fetal[TIAB] OR foetal[TIAB] OR fetus[TIAB] OR foetus[TIAB] OR foetuses[TIAB] OR fetuses[TIAB] |
#2 | Index test = ultrasound | “Ultrasonography”[Mesh: NoExp] OR “Ultrasonography, Prenatal”[Mesh: NoExp] OR (“Ultrasonography, Doppler”[Mesh] Not “Echocardiography, Doppler”[Mesh]) OR ultrasonograph*[TIAB] OR ultrasound[TIAB] OR “ultra sound”[TIAB] OR sonograph*[TIAB] OR scan[TIAB] OR Doppler[TIAB] OR echograph*[TIAB] |
#3 | Reference test = small for gestational age measured by birth weight | “Infant, low birth weight”[Mesh] OR “fetal weight”[Mesh] OR “Birth weight”[Mesh: NoExp] OR “Fetal growth retardation”[Mesh] OR “small for gestational age”[TIAB] OR “SGA”[TIAB] OR “birth weight”[TIAB] OR “birth-weight”[TIAB] OR “birthweight”[TIAB] OR “IUGR”[TIAB] OR “growth restriction”[TIAB] OR “growth retardation”[TIAB] OR “fetal weight”[TIAB] OR “foetal weight”[TIAB] OR “fetus weight”[TIAB] OR “foetus weight”[TIAB] OR “neonatal weight”[TIAB] OR “newborn weight”[TIAB] OR “infant weight”[TIAB] OR “fetal size”[TIAB] OR “foetal size”[TIAB] OR “fetus size”[TIAB] OR “neonatal size”[TIAB] OR “newborn size”[TIAB] OR “infant size”[TIAB] OR “fetal growth”[TIAB] OR “foetal growth”[TIAB] OR “fetus growth”[TIAB] OR “foetus growth”[TIAB] OR “neonatal growth”[TIAB] OR “newborn growth”[TIAB] OR “infant growth”[TIAB] |
#4 | Outcome = predictive value | “Sensitivity and Specificity”[MeSH] OR “Predictive Value of Tests”[MeSH] OR Sensitivit*[TIAB] OR specificity[TIAB] OR “predictive value*”[TIAB] OR “predictive model*”[TIAB] OR “false-positive rate”[TIAB] OR “detection rate”[TIAB] OR “ROC curve”[TIAB] OR “receiver operating characteristic”[TIAB] OR “AUC”[TIAB] OR “area under the curve”[TIAB] OR “Prenatal Diagnosis”[Mesh: NoExp] OR “Neonatal Screening”[Mesh] OR “Diagnostic imaging”[Subheading] OR screening[TIAB] |
#5 | Human filter | Animals[MeSH] NOT Humans[MeSH] |
#6 | Combination of concepts | #1 AND #2 AND #3 AND #4 NOT #5 |
Step | Concept | Search strategy |
---|---|---|
#1 | Population = pregnant women | “Pregnancy”/de OR pregnant:TI,AB,kw OR pregnanc*:TI,AB,kw OR gestation*:TI,AB,kw OR fetus/exp. OR fetal:TI,AB,kw OR foetal:TI,AB,kw OR fetus:TI,AB,kw OR foetus:TI,AB,kw OR foetuses:TI,AB,kw OR fetuses:TI,AB,kw |
#2 | Index test = ultrasound | “ultrasound”/exp. OR “echography”/de OR “fetus echography”/de OR (“Doppler ultrasonography”/exp. Not “Doppler echocardiography”/exp) OR ultrasonograph*:TI,AB,kw OR ultrasound:TI,AB,kw OR “ultra sound”:TI,AB,kw OR scan:TI,AB,kw OR Doppler:TI,AB,kw OR sonograph*:TI,AB,kw OR echograph*:TI,AB,kw |
#3 | Reference test = small for gestational age measured by birth weight | “Birth weight”/exp. OR “fetus weight”/exp. OR “intrauterine growth retardation”/de OR “small for date infant”/exp. OR “small for gestational age”:TI,AB,kw OR “small for age infant”:TI,AB,kw OR SGA:TI,AB,kw OR “birth weight”:TI,AB,kw OR birth-weight:TI,AB,kw OR birthweight:TI,AB,kw OR “growth restriction”:TI,AB,kw OR “growth retardation”:TI,AB,kw OR IUGR:TI,AB,kw OR ((fetal OR foetal OR fetus OR foetus OR newborn OR infant OR neonatal) NEAR/2 (weight OR size OR growth)):TI,AB,kw |
#4 | Outcome = predictive value | “Sensitivity and Specificity”/exp. OR “Predictive Value”/exp. OR Sensitivit*:TI,AB,kw OR specificity:TI,AB,kw OR “predictive value*”:TI,AB,kw OR “predictive model*”:TI,AB,kw OR “false-positive rate”:TI,AB,kw OR “detection rate”:TI,AB,kw OR “ROC curve”:TI,AB,kw OR “receiver operating characteristic”:TI,AB,kw OR “AUC”:TI,AB,kw OR “area under the curve”:TI,AB,kw OR “screening”/de OR “screening test”/exp. OR “Prenatal screening”/exp. OR “Newborn screening”/exp. OR screening:TI,AB,kw |
#5 | Human filter | “Animal”/exp. NOT “Human”/exp |
#6 | Filter Embase only | [embase]/lim NOT [medline]/lim |
#7 | Combination of concepts | #1 AND #2 AND #3 AND #4 AND #6 NOT #5 |
Step | Concept | Search strategy |
---|---|---|
#1 | Population = pregnant women | “Pregnancy”(MeSH unexploded) OR “Pregnancy Outcome”(MeSH unexploded) OR “Pregnancy, High-Risk”(Mesh) OR “Pregnancy Trimesters”(Mesh) or pregnanc*:ti,ab,kw or gestation*:ti,ab,kw or (MeSH descriptor fetus explode all trees) or fetal:ti,ab,kw or foetal:ti,ab,kw or fetus:ti,ab,kw or foetus:ti,ab,kw or foetuses:ti,ab,kw or fetuses:ti,ab,kw |
#2 | Index test = ultrasound | “Ultrasonography”(MeSH unexploded) OR “Ultrasonography, Prenatal”(MeSH unexploded) OR(“Ultrasonography, Doppler”(MeSH) Not “Echocardiography, Doppler”(MeSH)) OR ultrasonograph*:ti,ab,kw OR ultrasound:ti,ab,kw OR “ultra sound”: ti,ab,kw OR scan:ti,ab,kw OR Doppler:ti,ab,kw OR sonograph*:ti,ab,kw OR echograph*:ti,ab,kw |
#3 | Reference test = small for gestational age measured by birth weight | “Infant, low birth weight”(MeSH) OR “fetal weight”(MeSH) OR “Birth weight”(MeSH unexploded) OR “Fetal growth retardation”(MeSH) OR “small for gestational age”:ti,ab,kw OR “small for age infant”:ti,ab,kw OR SGA:ti,ab,kw OR “birth weight”:ti,ab,kw OR birth-weight:ti,ab,kw OR birthweight:ti,ab,kw OR “growth restriction”:ti,ab,kw OR “growth retardation”:ti,ab,kw OR IUGR:ti,ab,kw OR “fetal weight”:ti,ab,kw OR “foetal weight”:ti,ab,kw OR “fetus weight”:ti,ab,kw OR “foetus weight”:ti,ab,kw OR “neonatal weight”:ti,ab,kw OR “newborn weight”:ti,ab,kw OR “infant weight”:ti,ab,kw OR “fetal size”:ti,ab,kw OR “foetal size”:ti,ab,kw OR “fetus size”:ti,ab,kw OR “neonatal size”:ti,ab,kw OR “newborn size”:ti,ab,kw OR “infant size”:ti,ab,kw OR “fetal growth”:ti,ab,kw OR “foetal growth”:ti,ab,kw OR “fetus growth”:ti,ab,kw OR “foetus growth”:ti,ab,kw OR “neonatal growth”:ti,ab,kw OR “newborn growth”:ti,ab,kw OR “infant growth”:ti,ab,kw |
#4 | Outcome = predictive value | “Sensitivity and Specificity”(MeSH) OR “Predictive Value of Tests”(MeSH) OR Sensitivit*:ti,ab,kw OR specificity:ti,ab,kw OR “predictive value*”:ti,ab,kw OR “predictive model*”:ti,ab,kw OR “false-positive rate”:ti,ab,kw OR “detection rate”:ti,ab,kw OR “ROC curve”:ti,ab,kw OR “receiver operating characteristic”:ti,ab,kw OR “AUC”:ti,ab,kw OR “area under the curve”:ti,ab,kw OR “screening”(MeSH unexploded) OR “screening test”(MeSH) OR “Prenatal screening”(MeSH) OR “Newborn screening”(MeSH) OR screening:ti,ab,kw |
#5 | Human filter | “Animal”(MeSH) NOT “Human”(MeSH) |
#6 | Combination of concepts | #1 AND #2 AND #3 AND #4 NOT #5 |
Step | Concept | Search strategy |
---|---|---|
#1 | Population = pregnant women | TS=(pregnant OR pregnanc* OR gestation* OR fetal OR foetal OR fetus OR foetus OR foetuses OR fetuses) OR TI=(pregnant OR pregnanc* OR gestation* OR fetal OR foetal OR fetus OR foetus OR foetuses OR fetuses) |
#2 | Index test = ultrasound | TS=(ultrasonograph* OR ultrasound OR “ultra sound” OR scan OR Doppler OR sonograph* OR echograph*) OR TI=(ultrasonograph* OR ultrasound OR “ultra sound” OR scan OR Doppler OR sonograph* OR echograph*) |
#3 | Reference test = small for gestational age measured by birth weight | TS=(“small for gestational age” OR “small for age infant” OR SGA OR “birth weight” OR birth-weight OR birthweight OR “growth restriction” OR “growth retardation” OR IUGR OR ((fetal OR foetal OR fetus OR foetus OR newborn OR infant OR neonatal) NEAR/2 (weight OR size OR growth))) OR TI=(“small for gestational age” OR “small for age infant” OR SGA OR “birth weight” OR birth-weight OR birthweight OR “growth restriction” OR “growth retardation” OR IUGR OR ((fetal OR foetal OR fetus OR foetus OR newborn OR infant OR neonatal) NEAR/2 (weight OR size OR growth))) |
#4 | Outcome = predictive value | TS=(Sensitivit* OR specificity OR “predictive value*” OR “predictive model*” OR “false-positive rate” OR “detection rate” OR “ROC curve” OR “receiver operating characteristic” OR “AUC” OR “area under the curve” OR screening) |
#5 | Human filter | TS=(Microorganisms OR Plants OR Invertebrates OR Protochordates OR “Nonhuman Vertebrates”) |
#6 | Combination of concepts | #1 AND #2 AND #3 AND #4 NOT #5 |