Table 3.

Errors (Standard Deviation) at Each Stage over the Three Assessments in Patients and Control Subjects that Completed all Three Assessments with Separate Repeated Measures Analyses (Friedman's ANOVA) for Patients and Control Subjects

	Patients				Control Subjects
	Baseline	1 Yr	Three-Yr	Comparison	Baseline	1 Yr	Three-Yr	Comparison
SD	.95 (1.19)	1.01 (1.62)	1.15 (1.68)	χ2 = 3.02, p = .221	.56 (.65)	.68 (.80)	.72 (1.49)	χ2 = .84, p = .656
SR	1.72 (2.56)	1.40 (1.12)	1.77 (3.34)	χ2 = 1.64, p = .439	1.20 (.65)	1.24 (.52)	1.32 (.63)	χ2 = 1.65, p = .439
C_D	1.58 (3.32)	1.82 (4.45)	1.88 (4.15)	χ2 = .34, p = .843	.48 (.71)	.84 (2.01)	.56 (1.26)	χ2 = .78, p = .679
CD	.75 (2.74)	.69 (3.46)	.88 (4.10)	χ2 = 1.68, p = .432	.20 (.58)	.08 (.28)	.04 (.20)	χ2 = 1.20, p = .549
CR	1.81 (2.60)	2.16 (3.82)	2.57 (4.68)	χ2 = .91, p = .634	1.12 (.33)	1.48 (1.05)	1.52 (.77)	χ2 = 5.88, p = .053
IDS	1.93 (5.14)	1.45 (4.46)	1.53 (4.78)	χ2 = .77, p = .682	.52 (1.29)	.60 (.76)	.76 (1.50)	χ2 = 4.98, p = .083
IDR	2.90 (5.72)	2.44 (5.06)	2.44 (5.08)	χ2 = 1.16, p = .561	1.08 (.28)	1.16 (.80)	1.20 (.65)	χ2 = .50, p = .779
EDS	13.00 (9.93)	13.82 (10.87)	11.42 (10.02)	χ2 = 1.78, p = .410	6.80 (7.20)	6.12 (6.15)	3.80 (4.15)	χ2 = 5.28, p = .071
EDR	11.05 (11.21)	12.48 (11.69)	9.13 (10.69)	χ2 = 3.02, p = .221	4.52 (7.97)	4.00 (7.93)	2.32 (4.76)	χ2 = 1.22, p = .544

ANOVA, analysis of variance; other abbreviations as in Table 2.