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Table 2 Primary and secondary outcomes, and assessment method

From: Screening uptake rates and the clinical and cost effectiveness of screening for gestational diabetes mellitus in primary versus secondary care: study protocol for a randomised controlled trial

Primary/ secondary

Outcome variable

Assessment method

Primary

Uptake of screening

laboratory database

Secondary 1

GDM prevalence

laboratory database

Secondary 2

Timing of screening

laboratory database

Secondary 3

Time to access antenatal diabetes care

Hospital database

Secondary 4

Pregnancy outcomes:

Hospital database

Maternal outcomes

Caesarean section delivery

Assisted normal delivery

Hypertension

Pre-eclampsia texaemia (PET)

Antepartum haemorrhage (APH)

Post-partum haemorrhage (PPH)

Neonatal outcomes:

Miscarriage

Foetal death intrauterine (FDIU)

Stillbirth

Admission to neonatal intensive care unit (NICU)

Length of stay at NICU

Gestational age

Size for gestational age

Congenital malformations

Apgar scores

Respiratory distress

Hypoglycemia

Jaundice

 

Composite perinatal score (neonatal hypoglycemia, respiratory distress, need for phototherapy, birth trauma, 5-minute Apgar score less than 7, or prematurity).