calculate_contingency_table()
Calculate contingency table.
create_regression_table()
Create regression table.
ddi_ohdsi_rxnorm
ddi_rxcui2in
ddi_rxcui_names
ddiwas_regression()
Logistic regression function.
map_drug_allergies()
Map drug allergies to RxCUI ingredients.
process_covariates()
Process covariates.
require_drug_allergies()
Removes drug ingredient allergies documented prior to observation period and requires all patients to have >=1 drug allergy list entry during observation period.