Download - United States Renal Data System

RUN;
IF x1 THEN OUTPUT;
Calcualte mean admissions per 1000 patient-years by gender.
PROC TABULATE DATA=frateall;
VAR rt_fadm;
CLASS sex;
WEIGHT exptime;
TABLE sex=’’*rt_fadm=’’*mean*f=8.1;
KEYLABEL mean=’’;
TITLE1 ‘First Admission rates per 1,000 patient years’;
RUN;
Example 10: Create a patient cohort of 1998 Medicare Incident patients
Create the 1998 incident patient file.
DATA inc_98;
SET core_cd.patients (WHERE=(incyear=1998));
RUN;
Find Medicare payer status at first service date;
DATA first_payer;
SET core_cd.payhist;
BY usrds_id begdate;
IF first.usrds_id;
RUN;
Combine payer information with original incident cohort and limit to patients with Medicare payers at first service date;
PROC SORT DATA=inc_98;
BY usrds_id;
RUN;
DATA medicare_inc_98;
MERGE inc_98 (IN=x1)
first_payer (IN=x2 KEEP=usrds_id mcare payer dualelig);
BY usrds_id;
IF x1 AND mcare = ‘Y’;
RUN;
16 e Getting Started