id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
10_1101-2021_01_08_425952	Nash, Anthony	rdrugtrajectory: An R Package for the Analysis of Drug Prescriptions in Electronic Health Care Records	2021	30	.pdf	application/pdf	10191	1837	56	publication is by no means a complete tutorial, we will expand on some of the main package features, such as, how to: Isolate patients by first drug prescriptions at given clinical Fabricated CPRD clinical and CPRD prescription records in addition to age, gender and index of multiple deprivation scores are included Several rdrugtrajectory functions use the CPRD product.txt file for assigning a text description to a prescription prodcode. dataframes require, as a minimum, a patid and eventdate column, and either medcode or prodcode (for therapy data, issueseq is necessary), and presented in that order. functions to retrieve CPRD data, including, patient year of birth, gender (male or female) and The examples presented here and those in the reference manual rely on searching and subsetting EHR data using a list or vector of patient identifier. The final example of EHR dataframe manipulation presented here demonstrates how to retrieve all prescription records for patients prescribed a specific prescription treatment.	./cache/10_1101-2021_01_08_425952.pdf	./txt/10_1101-2021_01_08_425952.txt