. Author manuscript; available in PMC: 2016 Jan 31.

Published in final edited form as: Arthritis Care Res (Hoboken). 2015 Feb;67(2):288–296. doi: 10.1002/acr.22417

Table 3.

Fatigue Task Performance in people with fibromyalgia (n=24) compared to healthy controls (n=33) Data for fatigue task performance during single and dual fatigue tasks with covariates of BMI and Depression (CESD). Data are mean (M) ± S.E.M. (M) and 95% confidence intervals (CI).

Performance Measure			All Subjects	FM	HC	P Value FM vs. HC
CFT	Total Words	M	255.54 ± 6.88	255.04 ± 10.84	255.90 ± 9.03	0.65
CFT	Total Words	CI	241.76 to 269.32	232.59 to 277.48	237.51 to 274.30	0.65
PFT	Total Transfer (s)	M	911.31 ± 25.99	980.91 ± 50.81	860.69 ± 22.39	0.01
PFT	Total Transfer (s)	CI	859.25 to 963.38	875.79 to 1086.04	815.06 to 906.32	0.01
DFT	Total Words	M	195.29 ± 8.65	207.58 ± 16.33	186.36 ± 9.01	0.30
	Total Words	CI	177.95 to 212.64	173.79 to 241.37	168.00 to 204.72	0.30
	Total Transfer (s)	M	973.57 ± 34.42	1065.62 ± 58.82	906.63 ± 37.95	0.08
	Total Transfer (s)	CI	904.61 to 1042.82	943.93 to 1187.31	829.31 to 983.95	0.08

BMI=Body mass index, CESD=Center for Epidemiology – Depression, S.E.M. =standard error of measure, FM=fibromyalgia group, HC=healthy control group, CFT=Cognitive fatigue performance task, PFT=physical fatigue performance task, DFT=dual fatigue performance task

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p<0.01 Significant difference between fibromyalgia group and healthy control group