topic repeated measures with phreg in Statistical Procedures https://communities.sas.com/t5/Statistical-Procedures/repeated-measures-with-phreg/m-p/40092#M1674 <HTML><HEAD></HEAD><BODY><P>You'd need to provide more information. A time dependent variable was already suggested and depending on your trial that could be the appropriate way. </P><P></P><P>Depending on the clinical context it may also make sense to separate it into 3 drugs, ie drug a, drug b, drug A/B. </P></BODY></HTML> Thu, 03 Nov 2011 23:14:47 GMT Reeza 2011-11-03T23:14:47Z repeated measures with phreg https://communities.sas.com/t5/Statistical-Procedures/repeated-measures-with-phreg/m-p/40091#M1673 <HTML><HEAD></HEAD><BODY><P>I have a dataset where the patients can be on up to two drugs.&nbsp; So I have the time-to-event variable as my outcome and I want to compare the two drugs but account for the fact that a patient can be on either drug at a particular time.&nbsp; How would I program this?</P><P></P><P>Thanks,</P><P>Michelle Secic</P><P><A href="mailto:consult@secicstats.com">consult@secicstats.com</A></P></BODY></HTML> Wed, 02 Nov 2011 15:23:15 GMT https://communities.sas.com/t5/Statistical-Procedures/repeated-measures-with-phreg/m-p/40091#M1673 msecic 2011-11-02T15:23:15Z repeated measures with phreg https://communities.sas.com/t5/Statistical-Procedures/repeated-measures-with-phreg/m-p/40092#M1674 <HTML><HEAD></HEAD><BODY><P>You'd need to provide more information. A time dependent variable was already suggested and depending on your trial that could be the appropriate way. </P><P></P><P>Depending on the clinical context it may also make sense to separate it into 3 drugs, ie drug a, drug b, drug A/B. </P></BODY></HTML> Thu, 03 Nov 2011 23:14:47 GMT https://communities.sas.com/t5/Statistical-Procedures/repeated-measures-with-phreg/m-p/40092#M1674 Reeza 2011-11-03T23:14:47Z