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pink_poodle
Barite | Level 11

I have following statements in PROC PHREG (please see below), the meaning does not matter. The purpose is so the output shows hazard ratio for, say, ost_q 2 vs. 1 (since '1' is the reference level), but instead the output from hazardratio statement shows ost_q 1 vs. 2. How to modify this code? Many thanks!

 

class ost_q (ref='1')/ PARAM = REF;
model  hosp*hosp_bin(0) = ost_q;
hazardratio ost_q /cl = wald ;

 

1 ACCEPTED SOLUTION

Accepted Solutions
FreelanceReinh
Jade | Level 19

Hello @pink_poodle,

 

Add the DIFF=REF option to the HAZARDRATIO statement:

hazardratio ost_q /cl = wald diff=ref;

View solution in original post

2 REPLIES 2
FreelanceReinh
Jade | Level 19

Hello @pink_poodle,

 

Add the DIFF=REF option to the HAZARDRATIO statement:

hazardratio ost_q /cl = wald diff=ref;
pink_poodle
Barite | Level 11
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