cox regression - Hazard Ratio Curve - SAS -

can please tell me, sas procedure use or other method in sas draw hazard ratio curve shown in link below:

http://figshare.com/articles/_hazard_ratio_curves_for_the_association_between_nt_probnp_levels_and_the_risk_of_heart_failure_in_non_obese_n_8202_8202_1_095_and_obese_n_8202_8202_265_participants_/1251609

because, don't know yet how retain hazard ratio values appear in output..

thank you..