SAS Output
The SAS System

The PHREG Procedure

Model Information
Data Set WORK.STOMACH_DATA_5YEAR
Dependent Variable SRV_TIME_MON
Censoring Variable VSRTSADX
Censoring Value(s) 0
Ties Handling BRESLOW

Number of Observations Read
Number of Observations Used
35145
23280

Class Level Information
Class Value Design Variables
sex_m 1 0          
  2 1          
grade_class 1 0 0        
  2 1 0        
  3 0 1        
age_cat 1 0 0 0 0 0 0
  2 1 0 0 0 0 0
  3 0 1 0 0 0 0
  4 0 0 1 0 0 0
  5 0 0 0 1 0 0
  6 0 0 0 0 1 0
  7 0 0 0 0 0 1
stage_6 1 0 0 0      
  2 1 0 0      
  3 0 1 0      
  4 0 0 1      

Summary of the Number of Event and Censored
Values
Total Event Censored Percent
Censored
23280 16212 7068 30.36

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

Model Fit Statistics
Criterion Without
Covariates
With
Covariates
-2 LOG L 307672.74 298979.43
AIC 307672.74 299003.43
SBC 307672.74 299095.75

Testing Global Null Hypothesis: BETA=0
Test Chi-Square DF Pr > ChiSq
Likelihood Ratio 8693.3092 12 <.0001
Score 9198.4022 12 <.0001
Wald 7998.9476 12 <.0001

Type 3 Tests
Effect DF Wald Chi-Square Pr > ChiSq
age_cat 6 620.7537 <.0001
sex_m 1 6.3080 0.0120
grade_class 2 232.8913 <.0001
stage_6 3 7150.3967 <.0001

Analysis of Maximum Likelihood Estimates
Parameter   DF Parameter
Estimate
Standard
Error
Chi-Square Pr > ChiSq Hazard
Ratio
Label
age_cat 2 1 -0.21317 0.09494 5.0416 0.0247 0.808 age_cat 2
age_cat 3 1 -0.16941 0.08864 3.6530 0.0560 0.844 age_cat 3
age_cat 4 1 -0.15794 0.08709 3.2889 0.0697 0.854 age_cat 4
age_cat 5 1 -0.13109 0.08671 2.2854 0.1306 0.877 age_cat 5
age_cat 6 1 0.09018 0.08671 1.0815 0.2984 1.094 age_cat 6
age_cat 7 1 0.38738 0.08750 19.5983 <.0001 1.473 age_cat 7
sex_m 2 1 -0.04161 0.01657 6.3080 0.0120 0.959 sex_m 2
grade_class 2 1 0.31772 0.05081 39.1086 <.0001 1.374 grade_class 2
grade_class 3 1 0.54349 0.04932 121.4276 <.0001 1.722 grade_class 3
stage_6 2 1 0.52489 0.02963 313.7338 <.0001 1.690 stage_6 2
stage_6 3 1 0.95158 0.02848 1116.5148 <.0001 2.590 stage_6 3
stage_6 4 1 1.82046 0.02379 5857.8053 <.0001 6.175 stage_6 4



The SAS System

The PHREG Procedure

Model Information
Data Set WORK.STOMACH_DATA_2YEAR
Dependent Variable SRV_TIME_MON
Censoring Variable VSRTSADX
Censoring Value(s) 0
Ties Handling BRESLOW

Number of Observations Read
Number of Observations Used
49672
32713

Class Level Information
Class Value Design Variables
sex_m 1 0          
  2 1          
grade_class 1 0 0        
  2 1 0        
  3 0 1        
age_cat 1 0 0 0 0 0 0
  2 1 0 0 0 0 0
  3 0 1 0 0 0 0
  4 0 0 1 0 0 0
  5 0 0 0 1 0 0
  6 0 0 0 0 1 0
  7 0 0 0 0 0 1
stage_6 1 0 0 0      
  2 1 0 0      
  3 0 1 0      
  4 0 0 1      

Summary of the Number of Event and Censored
Values
Total Event Censored Percent
Censored
32713 22039 10674 32.63

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

Model Fit Statistics
Criterion Without
Covariates
With
Covariates
-2 LOG L 433312.40 421303.66
AIC 433312.40 421327.66
SBC 433312.40 421423.67

Testing Global Null Hypothesis: BETA=0
Test Chi-Square DF Pr > ChiSq
Likelihood Ratio 12008.7376 12 <.0001
Score 12681.9621 12 <.0001
Wald 10986.5353 12 <.0001

Type 3 Tests
Effect DF Wald Chi-Square Pr > ChiSq
age_cat 6 865.3230 <.0001
sex_m 1 16.5299 <.0001
grade_class 2 350.3993 <.0001
stage_6 3 9700.7319 <.0001

Analysis of Maximum Likelihood Estimates
Parameter   DF Parameter
Estimate
Standard
Error
Chi-Square Pr > ChiSq Hazard
Ratio
Label
age_cat 2 1 -0.04539 0.08222 0.3048 0.5809 0.956 age_cat 2
age_cat 3 1 -0.04013 0.07694 0.2721 0.6020 0.961 age_cat 3
age_cat 4 1 -0.02198 0.07554 0.0847 0.7711 0.978 age_cat 4
age_cat 5 1 0.00458 0.07525 0.0037 0.9514 1.005 age_cat 5
age_cat 6 1 0.20926 0.07530 7.7226 0.0055 1.233 age_cat 6
age_cat 7 1 0.53885 0.07597 50.3033 <.0001 1.714 age_cat 7
sex_m 2 1 -0.05793 0.01425 16.5299 <.0001 0.944 sex_m 2
grade_class 2 1 0.34782 0.04360 63.6494 <.0001 1.416 grade_class 2
grade_class 3 1 0.58148 0.04235 188.4957 <.0001 1.789 grade_class 3
stage_6 2 1 0.51103 0.02565 396.8574 <.0001 1.667 stage_6 2
stage_6 3 1 0.92722 0.02483 1394.0668 <.0001 2.527 stage_6 3
stage_6 4 1 1.80913 0.02045 7829.0774 <.0001 6.105 stage_6 4



The SAS System

The PHREG Procedure

Model Information
Data Set WORK.STOMACH_DATA_1YEAR
Dependent Variable SRV_TIME_MON
Censoring Variable VSRTSADX
Censoring Value(s) 0
Ties Handling BRESLOW

Number of Observations Read
Number of Observations Used
54557
35794

Class Level Information
Class Value Design Variables
sex_m 1 0          
  2 1          
grade_class 1 0 0        
  2 1 0        
  3 0 1        
age_cat 1 0 0 0 0 0 0
  2 1 0 0 0 0 0
  3 0 1 0 0 0 0
  4 0 0 1 0 0 0
  5 0 0 0 1 0 0
  6 0 0 0 0 1 0
  7 0 0 0 0 0 1
stage_6 1 0 0 0      
  2 1 0 0      
  3 0 1 0      
  4 0 0 1      

Summary of the Number of Event and Censored
Values
Total Event Censored Percent
Censored
35794 23556 12238 34.19

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

Model Fit Statistics
Criterion Without
Covariates
With
Covariates
-2 LOG L 466963.20 454125.08
AIC 466963.20 454149.08
SBC 466963.20 454245.88

Testing Global Null Hypothesis: BETA=0
Test Chi-Square DF Pr > ChiSq
Likelihood Ratio 12838.1242 12 <.0001
Score 13531.4145 12 <.0001
Wald 11723.9424 12 <.0001

Type 3 Tests
Effect DF Wald Chi-Square Pr > ChiSq
age_cat 6 950.0696 <.0001
sex_m 1 15.5994 <.0001
grade_class 2 375.9279 <.0001
stage_6 3 10336.6366 <.0001

Analysis of Maximum Likelihood Estimates
Parameter   DF Parameter
Estimate
Standard
Error
Chi-Square Pr > ChiSq Hazard
Ratio
Label
age_cat 2 1 -0.01001 0.07996 0.0157 0.9004 0.990 age_cat 2
age_cat 3 1 -0.00740 0.07491 0.0098 0.9213 0.993 age_cat 3
age_cat 4 1 0.00672 0.07353 0.0084 0.9272 1.007 age_cat 4
age_cat 5 1 0.03101 0.07325 0.1793 0.6720 1.031 age_cat 5
age_cat 6 1 0.24352 0.07330 11.0369 0.0009 1.276 age_cat 6
age_cat 7 1 0.57460 0.07395 60.3721 <.0001 1.776 age_cat 7
sex_m 2 1 -0.05443 0.01378 15.5994 <.0001 0.947 sex_m 2
grade_class 2 1 0.34374 0.04221 66.3078 <.0001 1.410 grade_class 2
grade_class 3 1 0.57963 0.04099 199.9211 <.0001 1.785 grade_class 3
stage_6 2 1 0.50600 0.02496 410.8714 <.0001 1.659 stage_6 2
stage_6 3 1 0.91251 0.02423 1418.6591 <.0001 2.491 stage_6 3
stage_6 4 1 1.80498 0.01984 8274.8144 <.0001 6.080 stage_6 4