Re-analysis on the statistical sampling biases of a mask promotion trial in Bangladesh: a statistical replication
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A published statistical reanalysis argued that process-related denominator imbalances in the Bangladesh cluster trial complicate a simple causal interpretation of its symptomatic-seroprevalence rate difference.
The published reanalysis found 170,497 enumerated participants in intervention vs 156,938 control and 1,086 vs 1,106 symptomatic seropositives; unblinded assessment and differential denominators complicate interpretation. This reuses the original trial data, not independent replication.