Table 1. Pretest-Posttest Comparison. Data are shown as mean±standard deviation.

	Pretest (N=14)	Posttest (N=14)	p-value	Cohen’s d	95%CI
Digit span forward test	5.14±1.56	6.14±1.99	<0.001	-1.28	-1.45 to -0.54
CVVLT first trial	2.00±0.78	3.14±1.79	0.017	-0.73	-2.04 to -0.24
CVVLT total	11.79±4.59	13.57±6.35	0.008	-0.84	-3.14 to -0.57
CVVLT delayed recall	1.00±1.96	1.21±2.29	0.19	-0.37	-0.54 to 0.12
NCSE––memory	9.57±1.87	10.64±0.93	0.05	-0.58	-2.14 to 0

Abbreviations: CVVLT, Chinese Verbal Learning Test; NCSE, Neurobehavioral Cognitive Status Examination; 95%CI, 95% confidence interval.