searchCases: Search cases
In DHLab-TSENG/lab: a package for EHR laboratory data

searchCases

R Documentation

Search cases

Description

searchCasesByLOINC

Usage

searchCasesByLOINC(
  labData,
  idColName = NULL,
  loincColName = NULL,
  dateColName = NULL,
  condition,
  isSummary = FALSE
)

Arguments

`labData`	a file or dataframe of laboratory test data with at least 4 columns about patient ID, lab item, test value and test date, respectively.
`idColName`	the column name that records patient ID in labData.
`loincColName`	tthe column name that records LOINC in labData.
`dateColName`	the column name that records test date in labData. It should be in `"YYYYMMDD"/"YYYY-MM-DD"` format.
`condition`	desired keyword string.
`isSummary`	summary T or F

Details

LOINC provides a column to record related names for lab tests. This function can be used to search this kind of description. Only searching LOINC codes are also avaliable, but not recoommended.

Value

A data.table merged two tables.

Examples

loincSample <- mapLOINC(labData = labSample,
                       labItemColName = ITEMID,
                       mappingTable = mapSample)
searchCasesByLOINC(labData = loincSample,
                  idColName = SUBJECT_ID,
                  loincColName = LOINC,
                  dateColName = CHARTTIME,
                  condition = "Creatinine",
                  isSummary = TRUE)

DHLab-TSENG/lab documentation built on Sept. 1, 2023, 9:03 p.m.