The SAS System

The GLIMMIX Procedure

Model Information
Data Set WORK.DAT_TWISK_L
Response Variable CHG
Response Distribution Gaussian
Link Function Identity
Variance Function Default
Variance Matrix Blocked By USUBJID
Estimation Technique Restricted Maximum Likelihood
Degrees of Freedom Method Satterthwaite

Class Level Information
Class Levels Values
USUBJID 139 not printed
AVISIT 2 Week 24 Week 12
TRT01P 2 TRT CNT

Number of Observations Read 304
Number of Observations Used 249

Dimensions
R-side Cov. Parameters 3
Columns in X 10
Columns in Z per Subject 0
Subjects (Blocks in V) 139
Max Obs per Subject 2

Optimization Information
Optimization Technique Dual Quasi-Newton
Parameters in Optimization 3
Lower Boundaries 2
Upper Boundaries 0
Fixed Effects Profiled
Starting From Data

Iteration History
Iteration Restarts Evaluations Objective
Function
Change Max
Gradient
0 0 4 1849.0363836 . 0.145027
1 0 4 1848.6426531 0.39373045 0.034812
2 0 4 1848.5969845 0.04566865 0.026056
3 0 2 1848.5792417 0.01774272 0.010147
4 0 2 1848.5754782 0.00376359 0.003077
5 0 4 1848.5750289 0.00044929 0.001009
6 0 3 1848.5749743 0.00005457 0.000023
7 0 3 1848.5749743 0.00000002 3.822E-7

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

Fit Statistics
-2 Res Log Likelihood 1848.57
AIC (smaller is better) 1854.57
AICC (smaller is better) 1854.67
BIC (smaller is better) 1863.38
CAIC (smaller is better) 1866.38
HQIC (smaller is better) 1858.15
Generalized Chi-Square 244.00
Gener. Chi-Square / DF 1.00

Covariance Parameter Estimates
Cov Parm Subject Estimate Standard
Error
UN(1,1) USUBJID 112.92 14.1832
UN(2,1) USUBJID 45.4508 11.7012
UN(2,2) USUBJID 110.02 14.7561

Solutions for Fixed Effects
Effect AVISIT TRT01P Estimate Standard
Error
DF t Value Pr > |t|
Intercept     50.0285 6.9767 124.7 7.17 <.0001
TRT01P   TRT -4.5803 1.8814 128 -2.43 0.0163
TRT01P   CNT 0 . . . .
BASE     -0.3877 0.05245 122.2 -7.39 <.0001
AVISIT Week 24   -2.8715 1.4597 115.4 -1.97 0.0516
AVISIT Week 12   0 . . . .
AVISIT*TRT01P Week 24 TRT 1.9000 2.0797 114.3 0.91 0.3629
AVISIT*TRT01P Week 24 CNT 0 . . . .
AVISIT*TRT01P Week 12 TRT 0 . . . .
AVISIT*TRT01P Week 12 CNT 0 . . . .

Type III Tests of Fixed Effects
Effect Num DF Den DF F Value Pr > F
TRT01P 1 117.1 5.19 0.0246
BASE 1 122.2 54.64 <.0001
AVISIT 1 114.3 3.41 0.0672
AVISIT*TRT01P 1 114.3 0.83 0.3629

AVISIT*TRT01P Least Squares Means
AVISIT TRT01P Estimate Standard
Error
DF t Value Pr > |t| Alpha Lower Upper
Week 24 TRT -5.2522 1.3640 114.2 -3.85 0.0002 0.05 -7.9542 -2.5502
Week 24 CNT -2.5719 1.3474 115.4 -1.91 0.0588 0.05 -5.2407 0.09689
Week 12 TRT -4.2806 1.3443 127.3 -3.18 0.0018 0.05 -6.9407 -1.6206
Week 12 CNT 0.2996 1.3044 127.4 0.23 0.8187 0.05 -2.2815 2.8808

Differences of AVISIT*TRT01P Least Squares Means
AVISIT TRT01P _AVISIT _TRT01P Estimate Standard Error DF t Value Pr > |t| Alpha Lower Upper
Week 24 TRT Week 24 CNT -2.6803 1.9248 115.3 -1.39 0.1664 0.05 -6.4928 1.1322
Week 24 TRT Week 12 TRT -0.9715 1.4814 113.2 -0.66 0.5133 0.05 -3.9064 1.9633
Week 24 TRT Week 12 CNT -5.5518 1.8957 206.3 -2.93 0.0038 0.05 -9.2892 -1.8144
Week 24 CNT Week 12 TRT 1.7088 1.9107 209.4 0.89 0.3722 0.05 -2.0580 5.4755
Week 24 CNT Week 12 CNT -2.8715 1.4597 115.4 -1.97 0.0516 0.05 -5.7627 0.01965
Week 12 TRT Week 12 CNT -4.5803 1.8814 128 -2.43 0.0163 0.05 -8.3030 -0.8576

Simple Effect Comparisons of AVISIT*TRT01P Least Squares Means By AVISIT
Simple Effect Level TRT01P _TRT01P Estimate Standard
Error
DF t Value Pr > |t| Alpha Lower Upper
AVISIT Week 24 TRT CNT -2.6803 1.9248 115.3 -1.39 0.1664 0.05 -6.4928 1.1322
AVISIT Week 12 TRT CNT -4.5803 1.8814 128 -2.43 0.0163 0.05 -8.3030 -0.8576