. 2010 Jul 12;28(23):3673–3679. doi: 10.1200/JCO.2010.28.1444

Table 1.

Patient Baseline Characteristics

Characteristic	Methylphenidate Arm (n = 69)		Placebo Arm (n = 70)		P
Characteristic	No.	%	No.	%	P
Age, years					.263^*
Mean	59.2		60.6
SD	11.23		13.82
Race					.605^†
White	66	96	64	91
Black or African American	3	4	5	7
Unknown: patient unsure	0	0	1	1
Sex					.425^‡
Female	44	64	40	57
Age group, years					.966^‡
≥ 50	55	80	56	80
Current chemotherapy	44	64	45	64	.949^‡
Curative intent treatment	34	49	30	44	.545^‡
Concurrent radiation	9	13	7	10	.574^‡
Concurrent biological therapy	17	25	17	24	.962^‡
Fatigue scale					.954^‡
4-7	47	68	48	69
8-10	22	32	22	31
Stage					.954^‡
0/I/II	22	32	22	31
III/IV	47	68	48	69
Type of cancer					.497^†
Breast	26	38	20	29
Colon	4	6	4	6
Prostate	2	3	6	9
Lung	10	15	8	11
Combination/unknown/other	27	39	32	46
Average fatigue over the last week (0-100, best)					.839^*
Mean	33.6		34.0
SD	15.43		17.23
Median	30.0		30.0
Average pain over the last 24 hours (0-100, best)					.399^*
Mean	87		86
SD	13.88		12.58
Median	90		90

Abbreviation: SD, standard deviation.

Kruskal-Wallis exact test.

^†

Fisher's exact test.

^‡

χ² test.