The TTEST Procedure Variable: disease burden treatment Method N Mean Std Dev Std Err Minimum Maximum 0 338 1.5857 2.9778 0.1620 0.1800 36.5200 1 162 1.5179 1.2676 0.0996 0.2200 7.8300 Diff (1-2) Pooled 0.0678 2.5534 0.2440 Diff (1-2) Satterthwaite 0.0678 0.1901 treatment Method 0 1 Diff (1-2) Pooled Diff (1-2) Mean 95% CL Mean 1.5857 1.2671 1.9043 1.5179 1.3212 1.7146 0.0678 -0.4116 0.5472 Satterthwaite 0.0678 -0.3057 0.4414 Std Dev 95% CL Std Dev 2.9778 2.7689 3.2209 1.2676 2.5534 1.1430 1.4230 2.4042 2.7225 Method Pooled Variances Equal DF t Value Pr> |t| 498 0.28 0.7811 Satterthwaite Unequal 492.61 0.36 0.7214 Equality of Variances Method Num DF Den DF F Value Pr > F Folded F 337 161 5.52 treatment Percent 1 Percent 0 200 150 100 500 50 50 50 40 40 1 30 30 20 20 T 10 10 0 0 -10 0 OO 10 Distribution of disease_burden disease burden Normal 20 Kernel 30 40 30 30 0 Q-Q Plots of disease_burden 8 1 20 20 disease_burden 10 0- disease burden 2 6 0 Quantile 0 0 0 0 0 8 -10 -2 T -3 -1 0 1 2 3 -2 -1 0 1 2 Quantile The NPAR1WAY Procedure Wilcoxon Scores (Rank Sums) for Variable disease_burden Classified by Variable treatment treatment N Sum of Scores Expected Under HO Std Dev Under HO Mean Score 0 338 81192.50 84669.0 1511.93312 240.214497 1 162 44057.50 40581.0 1511.93312 271.959877 Average scores were used for ties. Wilcoxon Two-Sample Test t Approximation Z Pr> Z Pr>|Z Pr>Z Pr>|Z Statistic 44057.50 2.2990 0.0108 0.0215 0.0110 Z includes a continuity correction of 0.5. Kruskal-Wallis Test Chi-Square DF Pr> ChiSq 5.2871 1 0.0215 0.0219 Score 500 400 300 0 200 100 Distribution of Wilcoxon Scores for disease_burden 0 0 1 treatment Pr Z 0.0108 Pr>|Z 0.0215