Table 2.

Variable importance score based on subgroup significance

Variable	Importance score based on subgroup significance
Baseline FBG	2.36
Race/ethnicity	1.40
Morning PPG	1.07
Duration of diabetes	0
Age	1.23
Gender	0.28
Baseline BMI	0.75
Baseline TZD	0
Baseline MET	0
Permutation-based maximum variable importance (mean)	1.25
Permutation-based maximum variable importance (SD)	0.54

Importance scores greater than mean plus SD of the permutation-based maximum variable importance is highlighted in bold

BMI body mass index, FBG fasting blood glucose, MET metformin, PPG postprandial glucose, SD standard deviation, TZD thiazolidinedione