Table 5 Top 10 most enriched codes for January 1st. The top 10 most enriched codes for January 1st. As expected for New Year’s Day, the most enriched codes were related to firework accidents, alcohol, and assaults. To reduce the false positive rate of the code enrichment from extremely rare codes that appeared during the baseline period, the enriched codes were only counted if they appeared more than 10 times over the 24 year period. We also report by percent increase rather than -log(p) for better interpretability

From: Evaluation of the secondary use of electronic health records to detect seasonal, holiday-related, and rare events related to traumatic injury and poisoning