Table 4.

Mean expression levels, standard error and statistical power of selected genes between case and control groups in the training and testing sets

	Training set			Testing set
Selected genes	Case (n = 55)	Control (n = 107)	Power	Case (n = 56)	Control (n = 120)	Power
MDM2	-0.4225 (0.08945)	-0.8913 (0.04572)	1	-0.3270 (0.09063)	-0.9209 (0.03618)	1
DUSP6	2.5483 (0.13248)	1.5458 (0.06415)	1	2.0335 (0.12041)	1.7462 (0.06135)	1
CPEB4	1.3413 (0.11016)	0.3932 (0.09799)	1	1.4595 (0.11851)	0.4014 (0.06980)	1
MMD	2.0567 (0.15441)	1.3178 (0.09799)	1	1.7029 (0.15958)	1.4320 (0.07806)	1
EIF2S3	3.4489 (0.07883)	3.6158 (0.05331)	1	3.4311 (0.05937)	3.5620 (0.03815)	1

Values in cells: Mean expression levels (standard error); α-level is 0.05.