'                                                 09:53 Monday, May 12, 2008   1

The LIFEREG Procedure

           Model Information

Data Set                          WORK.B
Dependent Variable             Log(surv)
Censoring Variable                 event
Censoring Value(s)                     0
Number of Observations                76
Noncensored Values                    30
Right Censored Values                 46
Left Censored Values                   0
Interval Censored Values               0
Name of Distribution         Exponential
Log Likelihood              -67.14392343


Number of Observations Read          76
Number of Observations Used          76


 Class Level Information

Name      Levels    Values

j              3    1 2 3


                 Fit Statistics

-2 Log Likelihood                        134.288
AIC (smaller is better)                  142.288
AICC (smaller is better)                 142.851
BIC (smaller is better)                  151.611


Algorithm converged.


       Type III Analysis of Effects

                         Wald
Effect       DF    Chi-Square    Pr > ChiSq

group         1       15.1654        <.0001
j             2        0.9960        0.6077


           Analysis of Maximum Likelihood Parameter Estimates

                            Standard   95% Confidence     Chi-
Parameter       DF Estimate    Error       Limits       Square Pr > ChiSq

Intercept        1   1.8186   0.5663   0.7086   2.9286   10.31     0.0013
group            1   1.6313   0.4189   0.8103   2.4524   15.17     <.0001
j             1  1   0.4556   0.5839  -0.6888   1.6000    0.61     0.4353
j             2  1   0.1169   0.6147  -1.0878   1.3216    0.04     0.8492
j             3  0   0.0000    .        .        .         .        .
'                                                 09:53 Monday, May 12, 2008   2

The LIFEREG Procedure

           Analysis of Maximum Likelihood Parameter Estimates

                            Standard   95% Confidence     Chi-
Parameter       DF Estimate    Error       Limits       Square Pr > ChiSq

Scale            0   1.0000   0.0000   1.0000   1.0000
Weibull Shape    0   1.0000   0.0000   1.0000   1.0000


    Lagrange Multiplier Statistics

Parameter     Chi-Square    Pr > ChiSq

Scale             9.7094        0.0018