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Table 1 Data quality monitoring indicators used by the Global Networks’ Maternal Newborn Health Registry

From: Data quality monitoring and performance metrics of a prospective, population-based observational study of maternal and newborn health in low resource settings

Indicators Acceptable value
Enrollment metrics
Proportion of enrolled subjects with a consent rate obtained >95%
Month-to-month enrollment variability factor during the past 6 months (month with highest number enrolled divided by month with lowest number enrolled) <2.0
Pregnancy outcome metrics
Proportion of expected delivery outcomes obtained >95%
Proportion of deliveries with a 6-week neonatal outcome obtained. >95%
Range of gender ratios .80-1.30
Month-to-month birth variability factor in the past 6 months (month with highest number of births divided by month with lowest number of births) <2.0
Ratio of expected deliveries to average monthly deliveries in the next 6 months >70%
Minimum number of deliveries per month per cluster 25
Mortality outcome metrics
Ratio of stillbirths to early neonatal deaths .50-2.0
Ratio of early neonatal deaths to 6-week neonatal deaths .60-.90
Gestational age and actual or estimated birth weight accurately recorded for miscarriages. <20 wks
<500 g
Key variable metrics
Proportion of deliveries with a measured birth weight:  
Live births >95%
Neonatal deaths >90%
Stillbirths >75%
Proportion that have any birth weight recorded:  
Live births >99%
Neonatal deaths >95%
Stillbirths >95%
Proportion of enrolled subjects with maternal height, weight and timing recorded >95%
Proportion of deliveries with delivery attendant, delivery location, delivery mode, bag and mask use, and gestational age recorded >99%
Proportion of deliveries with birth weight collected within 7 days of birth >95%
Process metrics
Time between birth and measured (or estimated) birth weight recorded. <7 days
Time between enrollment and data entry should be less than 6 weeks. >90%
Time between enrollment date and estimated delivery date should be greater than 4 weeks. >70%
Time between collection of delivery information and data entry should be less than 6 weeks. >90%
Time between delivery and completion of delivery form should be less than 4 weeks. >90%
Time between completion of delivery form and data entry should be less than 6 weeks. >90%
Time between delivery and completion of follow-up form should be between 5 and 9 weeks. >80%
Time between completion of follow-up form and data entry should be less than 6 weeks. >90%
Proportion of critical edits addressed. >80%