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International health policy and stagnating maternal mortality: is there a causal link? Instituut voor Tropische Geneeskunde
Demonstrating impact using maternal mortality: an impossible dream? Instituut voor Tropische Geneeskunde
Modifiers of the effect of maternal multiple micronutrient supplementation on stillbirth, birth outcomes, and infant mortality: a meta-analysis of individual patient data from 17 randomised trials in low-income and middle-income countries Instituut voor Tropische Geneeskunde
Background Micronutrient deficiencies are common among women in low-income and middle-income countries. Data from randomised trials suggest that maternal multiple micronutrient supplementation decreases the risk of low birthweight and potentially improves other infant health outcomes. However, heterogeneity across studies suggests influence from effect modifiers. We aimed to identify individual-level modifiers of the effect of multiple ...
Salmon Bias or Red Herring? Comparing adult mortality risks (ages 30-90) between natives and internal migrants: Stayers, returnees and movers in Rotterdam, the Netherlands, 1850-1940 KU Leuven
Purpose: To empirically test the salmon bias hypothesis, which states that the 'healthy migrant' effect - referring to a situation in which migrants enjoy lower mortality risks compared to natives - is caused by selective return migration of the weak, sick and elderly. Methods: Using a unique longitudinal micro-level database - the Historical Sample of the Netherlands - we tracked the life courses of internal migrants after they had left the ...
Clinical prediction models for mortality in patients with covid-19: external validation and individual participant data meta-analysis KU Leuven
OBJECTIVE: To externally validate various prognostic models and scoring rules for predicting short term mortality in patients admitted to hospital for covid-19. DESIGN: Two stage individual participant data meta-analysis. SETTING: Secondary and tertiary care. PARTICIPANTS: 46 914 patients across 18 countries, admitted to a hospital with polymerase chain reaction confirmed covid-19 from November 2019 to April 2021. DATA SOURCES: Multiple ...