. Author manuscript; available in PMC: 2010 Nov 15.

Published in final edited form as: Arch Neurol. 2009 Oct;66(10):1274–1280. doi: 10.1001/archneurol.2009.218

Table 1.

Subject Characteristics

	Patients With CBS (n=48)	Healthy Controls (n=14)	χ² or t Value for Difference	P Value
Sex, No. M/F	25/23	8/6	χ ²=0.001	.98
Age at onset, mean (SD), y	61 (9)	NA	NA	NA
Age at testing, mean (SD), y	66 (9)	60 (6)	t=2.44	.02
Handedness, No. R/L/ambidextrous	43/4/1	14/0/0	χ²=1.586	.45
Education, mean (SD), y	15 (3)	17 (4)	t=1.99	.051
MDRS2 total raw score, mean (SD) (total possible, 144)	116 (24)	139 (3)	t=3.65	.006^a
Initial side of symptoms, No. L/R/unclear	25/21/2	NA	NA	NA
Side tested, No. L/R/both	33/13/2	NA	NA	NA

Abbreviations: CBS, corticobasal syndrome; L, left; MDRS2, Mattis Dementia Rating Scale 2; NA, not applicable; R, right.

Significant at a Bonferroni-corrected level of P < .05.