The SAS System                                1
                                                11:09 Tuesday, November 18, 2008

                              The PHREG Procedure

                               Model Information

                       Data Set                 WORK.BMT
                       Dependent Variable       T2      
                       Censoring Variable       d3      
                       Censoring Value(s)       0       
                       Ties Handling            BRESLOW 


               Summary of the Number of Event and Censored Values
 
                                                       Percent
                     Total       Event    Censored    Censored

                       137          83          54       39.42


                               Convergence Status

                 Convergence criterion (GCONV=1E-8) satisfied.          


                             Model Fit Statistics
 
                                     Without           With
                    Criterion     Covariates     Covariates

                    -2 LOG L         746.719        713.982
                    AIC              746.719        725.982
                    SBC              746.719        740.495


                    Testing Global Null Hypothesis: BETA=0
 
            Test                 Chi-Square       DF     Pr > ChiSq

            Likelihood Ratio        32.7372        6         <.0001
            Score                   35.6643        6         <.0001
            Wald                    32.9404        6         <.0001


                    Analysis of Maximum Likelihood Estimates
 
                   Parameter     Standard                               Hazard
  Variable   DF     Estimate        Error   Chi-Square   Pr > ChiSq      Ratio

  Z1          1     -1.09058      0.35430       9.4752       0.0021      0.336
  Z2          1     -0.40439      0.36278       1.2425       0.2650      0.667
  Z3          1      0.83687      0.27853       9.0276       0.0027      2.309
  Z4          1      0.00686      0.01968       0.1214       0.7276      1.007
  Z5          1      0.00391      0.01826       0.0458       0.8305      1.004
  Z6          1      0.00315    0.0009498      11.0074       0.0009      1.003