- DER01: Which drug_exposure records belong to a drug_era?
- DER02: What is cost of ERA? - era -> exposure -> cost
- DER03: What is the number of distinct ingredients per patient?
- DER04: What proportion of observation time is a person exposed to a given drug?
- DER05: For a given indication, what proportion of patients take each indicated treatment?
- DER06: For a given class, what proportion of patients take each treatment in the class?
- DER07: What is the average time between eras for a given ingredient? ex. steroids for RA
- DER08: Counts of drug records
- DER09: Counts of persons taking drugs
- DER10: Distribution of drug era end dates
- DER11: Distribution of drug era start dates
- DER12: Counts of drug types
- DER13: Distribution of number of distinct drugs persons take
- DER14: Counts of number of distinct drugs persons take
- DER15: DIstribution of drug era records per person
- DER16: Counts of drug era records per person
- DER17: Counts of drug era records stratified by observation month
- DER18: Distribution of age, stratified by drug
- DER19: Counts of drugs, stratified by drug type
- DER20: Counts of drugs, stratified by drug type and drug exposure count
- DER21: Counts of drugs, stratified by year, age group and gender
- DER22: Distribution of drug era length, stratified by drug and drug type
- DER23: Distribution of drug era start dates, stratified by drug
- DER24: Distribution of drug exposure counts, stratified by drug type
- DER25: Counts of drug exposure counts, stratified by drug type
- DER26: Counts of genders, stratified by drug
- DER27: Counts of drug era records per person, stratified by drug and drug type
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