Data Set Name: NRD_2015_CORE Created on 10/31/2017 Number of Observations: 17198125 Total Number of Data Elements: 24 Columns Description ======== =========== 1 - 3 Database name 5 - 8 Discharge year of data 10 - 35 File name 37 - 39 Data element number 41 - 69 Data element name 70 Length of data element 73 Non-zero number of digits after decimal point for numeric data element 74 - 78 Data element type (Num=numeric; Char=character) 80 - 174 Data element label NRD 2015 NRD_2015_Core 1 AGE 3 Num Age in years at admission NRD 2015 NRD_2015_Core 2 AWEEKEND 2 Num Admission day is a weekend NRD 2015 NRD_2015_Core 3 DIED 2 Num Died during hospitalization NRD 2015 NRD_2015_Core 4 DISCWT 11.7Num Weight to discharges in AHA universe NRD 2015 NRD_2015_Core 5 DISPUNIFORM 2 Num Disposition of patient (uniform) NRD 2015 NRD_2015_Core 6 DMONTH 2 Num Discharge month NRD 2015 NRD_2015_Core 7 DQTR 2 Num Discharge quarter NRD 2015 NRD_2015_Core 8 ELECTIVE 2 Num Elective versus non-elective admission NRD 2015 NRD_2015_Core 9 FEMALE 2 Num Indicator of sex NRD 2015 NRD_2015_Core 10 HCUP_ED 2 Num HCUP Emergency Department service indicator NRD 2015 NRD_2015_Core 11 HOSP_NRD 5 Num NRD hospital identifier NRD 2015 NRD_2015_Core 12 KEY_NRD 15 Num NRD record identifier NRD 2015 NRD_2015_Core 13 LOS 5 Num Length of stay (cleaned) NRD 2015 NRD_2015_Core 14 NRD_DaysToEvent 10 Num Timing variable used to identify days between admissions NRD 2015 NRD_2015_Core 15 NRD_STRATUM 5 Num NRD stratum used for weighting NRD 2015 NRD_2015_Core 16 NRD_VisitLink 7 Char NRD visitlink NRD 2015 NRD_2015_Core 17 PAY1 2 Num Primary expected payer (uniform) NRD 2015 NRD_2015_Core 18 PL_NCHS 3 Num Patient Location: NCHS Urban-Rural Code NRD 2015 NRD_2015_Core 19 REHABTRANSFER 2 Num A combined record involving rehab transfer NRD 2015 NRD_2015_Core 20 RESIDENT 2 Num Patient State is the same as Hospital State NRD 2015 NRD_2015_Core 21 SAMEDAYEVENT 2 Char Transfer flag indicating combination of discharges involve same day events NRD 2015 NRD_2015_Core 22 TOTCHG 10 Num Total charges (cleaned) NRD 2015 NRD_2015_Core 23 YEAR 4 Num Calendar year NRD 2015 NRD_2015_Core 24 ZIPINC_QRTL 2 Num Median household income national quartile for patient ZIP Code