Table 2 Characteristics of the study datasets and study population included for cause of death analyses

From: Causes of death in preterm neonates (<33 weeks) born in tertiary care hospitals in India: analysis of three large prospective multicentric cohorts

 

The National Neonatal Perinatal Database

Delhi Neonatal Infection Study (DeNIS) cohort

Goat Lung Surfactant Extract (GLSE)-Plus cohort*

Consortium composition

18 major tertiary care hospitals across India

Three inborn level-3 NICUs attached to tertiary care teaching hospitals

Five inborn level-3 NICUs attached to tertiary care teaching hospitals

Year of data collection

2002–2003

2011–2014

2016–2017

Place of birth

Inborn neonates

Inborn neonates

Inborn neonates

Description of overall cohort

Live births: 145,623 Neonatal deaths: 3680

Live births: 88,636

Neonates admitted to the NICU for any cause: 14,779 (16.7%)

All neonates admitted to NICU between 26–32 weeks gestation: 2209

Preterm cohort

Preterm neonates <33 weeks’ and <1800 g

Live births: 3993

In-hospital deaths: 1349 (33.8%)

Preterm neonates <33 weeks’ and <1800 g 

Admitted to NICU: 1822

In-hospital deaths: 828 (45.4%)

Preterm neonates 26–32 weeks’ gestation

Admitted to NICU: 2209

In-hospital deaths: 514 (23.2%)

  1. *We did not have data on birth weight for GLSE-Plus cohort. Practically, all the babies below 33 weeks are ≤ 1800 g. The proportion of babies with < 26 weeks gestation is also miniscule.
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