searchCasesByLOINC
searchCasesByLOINC(
labData,
idColName = NULL,
loincColName = NULL,
dateColName = NULL,
condition,
isSummary = FALSE
)a file or dataframe of laboratory test data with at least 4 columns about patient ID, lab item, test value and test date, respectively.
the column name that records patient ID in labData.
tthe column name that records LOINC in labData.
the column name that records test date in labData. It should be in "YYYYMMDD"/"YYYY-MM-DD" format.
desired keyword string.
summary T or F
A data.table merged two tables.
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.
loincSample <- mapLOINC(labData = labSample,
labItemColName = ITEMID,
mappingTable = mapSample)
searchCasesByLOINC(labData = loincSample,
idColName = SUBJECT_ID,
loincColName = LOINC,
dateColName = CHARTTIME,
condition = "Creatinine",
isSummary = TRUE)
#> ID LOINC Count firstRecord lastRecode
#> 1: 36 2160-0 37 2131-04-30 2134-05-20
#> 2: 109 2160-0 238 2137-11-04 2142-08-30
#> 3: 132 2160-0 32 2115-05-06 2116-04-08
#> 4: 143 2160-0 60 2154-12-25 2155-10-22
#> 5: 145 2160-0 162 2144-03-29 2145-02-22