RECAP Preterm | AYLS Perinatal Dataset

AYLS Perinatal Dataset

Networks -

Variables -

Associated study

Acronym	AYLS
Name	Arvo Ylppö Longitudinal Study
Study design	Cohort
Number of very preterm (VPT) and/or very low birthweight (VLBW) births included in cohort (live & still births)	1535
Countries	Finland

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Population

AYLS Cohort

Selection Criteria

Countries

Finland

Geographical Area

Uusimaa

VPT/VLBW Group Inclusion Criteria

All infants born alive and admitted to neonatal wards in obstetric units or transferred to the Neonatal Intensive care unit between 15 March 1985 and 14 March 1986 in the study area. No specific inclusion criteria related to gestational age or birth weight.

Control Group Inclusion Criteria

An infant born after every second hospitalized infant and without evidence of neonatal illness was identified from one of the three biggest maternity hospitals in the study area during the same period.

VPT/VLBW Group Exclusion Criteria

none

Control Group Exclusion Criteria

none

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Data Collection Event

Perinatal Assessment

Overview

Supplementary Information: Cohort followed up those admitted to NICU within first 10 days, not specifically preterm or VLBW infants. Full cohort consisted of 2193 infants (among hospitalized infants preterm n=463 and term n=1070; among controls preterms n=17 and terms n=641 (for one the gestational age could not be verified))
Start Date: 1985-03
End Date: 1986-03

Data sources

Questionnaires
Physical measures

Participants

Age at Data Collection Event (years): 0

	VPT/VLBW Group	Control Group
Survived
Invited
Assessed	1535	658

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Collected Dataset / AYLS Perinatal Dataset

AYLS Perinatal Dataset

Associated study

Population

AYLS Cohort

Data Collection Event

Perinatal Assessment

Files

Variables Classifications