Measuring substantial reductions in functioning in patients with chronic fatigue syndrome

References

• Fukuda K, Straus SE, Hickie I, Sharpe MC, Dobbins JG, Komaroff A. The chronic fatigue syndrome: a comprehensive approach to its definition and study. Ann Intern Med 1994;121:953–959.
   PubMed Web of Science ®Google Scholar
• Ware JE, Snow KK, Kosinski M. SF-36 Health Survey: Manual and Interpretation Guide. Lincoln, RI: Quality Metric Inc.; 2000.
   Google Scholar
• Reeves WC, Lloyd A, Vernon SD, Klimas N, Jason L, Bleijenberg G, Evengard B, White PD, Nisenbaum R, Unger ER. Identification of ambiguities in the 1994 chronic fatigue syndrome research case definition and recommendations for resolution. BMC Health Services Res 2003;3:25.
   PubMed Web of Science ®Google Scholar
• Reeves WC, Wagner D, Nisenbaum R, Jones JF, Gurbaxani B, Solomon L, Papanicolaou D, Unger ER, Vernon SD, Heim C. Chronic fatigue syndrome – a clinical empirical approach to its definition and study. BMC Med 2005;3:19.
   PubMed Web of Science ®Google Scholar
• Jason LA, Najar N, Porter N, Reh C. Evaluating the centres for disease control's empirical chronic fatigue syndrome case definition. J Disabil Policy Stud 2009;20:93–100.
   Web of Science ®Google Scholar
• Boneva RS, Decker MJ, Maloney EM, Lin J, Jones JF, Helgason HG, Heim CM, Rye DB, Reeves WC. Higher heart rate and reduced heart rate variability persist during sleep in chronic fatigue syndrome: a population-based study. Autonomic Neurosci: Basic Clin 2007;137:94–101.
   PubMed Web of Science ®Google Scholar
• Ciccone DS, Busichio K, Vickroy M, Natelson BH. Psychiatric morbidity in the chronic fatigue syndrome: are patients with personality disorder more physically impaired? J Psychosom Res 2003;54:445–452.
   PubMed Web of Science ®Google Scholar
• Hassan IS, Bannister BA, Akbar A, Weir W, Bofill M. A study of the immunology of the chronic fatigue syndrome: correlation of immunologic parameters to health dysfunction. Clin Immunol and Immuopathol 1998;87:60–67.
   PubMedGoogle Scholar
• Jason LA, King CP, Taylor RR, Kennedy C. Defining chronic fatigue syndrome: methodological challenges. J Chronic Fatigue Syndr 2000;7:17–32.
   Google Scholar
• King C, Jason L. Improving the diagnostic criteria and procedures for chronic fatigue syndrome. Biol Psychol 2005;68:87–106.
   PubMed Web of Science ®Google Scholar
• Komaroff AL, Fagioli LR, Doolittle TH, Gandek B, Gleit MA, Guerriero RT, Kornish J, Ware NC, Ware JE, Bates DW. Health status in patients with chronic fatigue syndrome and in general population ad disease comparison groups. Am J Med 1996;101:281–290.
   PubMed Web of Science ®Google Scholar
• Moss-Morris R, Chalder T. Illness perceptions and levels of disability in patients with chronic fatigue syndrome and rheumatoid arthritis. J Psychosom Res 2003;55:305–308.
   PubMed Web of Science ®Google Scholar
• Myers C, Wilks D. Comparison of Euroqol EQ-5D and SF-36 in patients with chronic fatigue syndrome. Qual Life Res 1999;8:9–16.
   PubMed Web of Science ®Google Scholar
• Nijs J, Almond F, Becker PD, Truijen S, Paul L. Can exercise limits prevent post-exertional malaise in chronic fatigue syndrome? An uncontrolled clinical trial. Clin Rehabil 2008;22:426–435.
   PubMed Web of Science ®Google Scholar
• Nijs J, Thielemans A. Kinesiophobia and symptomatology in chronic fatigue syndrome: a psychometric study of two questionnaires. Psychol Psychother 2008;81:273–283.
   PubMed Web of Science ®Google Scholar
• Scheeres K, Wensing M, Severens H, Adang E, Bleijenberg G. Determinants of health care use in chronic fatigue syndrome patients: a cross-sectional study. J Psychosom Res 2008;65:39–46.
   PubMed Web of Science ®Google Scholar
• Taillefer SS, Kirmayer LJ, Robbins JM, Lasry J. Psychological correlates of functional status in chronic fatigue syndrome. J Psychosom Res 2002;53:1097–1106.
   PubMed Web of Science ®Google Scholar
• Herrell R, Goldberg J, Hartman S, Belcourt M, Schmaling K, Buchwald D. Chronic fatigue and chronic fatigue syndrome: a co-twin control study of functional status. Quality Life Res 2002;11:463–471.
   PubMed Web of Science ®Google Scholar
• Nater UM, Wagner D, Solomon L, Jones JF, Unger ER, Papanicolaou DA, Reeves WC, Heim C. Coping styles in people with chronic fatigue syndrome identified from the general population of Wichita, KS. J Psychosom Res 2006;60:567–573.
   PubMed Web of Science ®Google Scholar
• Wells DL. Associations between pet ownership and self-reported health status in people suffering from chronic fatigue syndrome. J Altern Complement Med 2009;15:407–413.
   PubMed Web of Science ®Google Scholar
• Jason LA, Richman JA, Rademaker AW, Jordan KM, Plioplys AV, Taylor RR, McCready W, Huang C, Plioplys S. A community-based study of chronic fatigue syndrome. Arch Intern Med 1999;159:2129–2137.
   PubMed Web of Science ®Google Scholar
• Kish L. Survey sampling. NY: Wiley; 1965.
   Google Scholar
• Jason LA, Torres-Harding S, Friedberg F, Corradi K, Njoku MG, Donalek J, Reynolds N, Brown M, Weitner BB, Rademaker A, Papernik M. Non-pharmacologic interventions for CFS: a randomized trial. J Clin Psychol Med Settings 2007;14:275–296.
   Web of Science ®Google Scholar
• Spitzer RL, Williams JBW, Gibbon M, First MB. Structured clinical interview for the DSM-IV – non-patient edition (SCID–NP, Version 2.0). Washington, DC: American Psychiatric Press; 1995.
   Google Scholar
• McHorney CA, Ware JE, Raczek AE. The MOS 36-Item Short-Form Health Survey (SF-36): II. Psychometric and clinical tests of validity in measuring physical and mental health constructs. Med Care 1993;31:247–263.
   PubMed Web of Science ®Google Scholar
• McHorney CA, Ware JE, Lu AW, Sherbourne CD. The MOS 36-item Short-Form Health Survey (SF-36): III. Tests of data quality, scaling assumptions, and reliability across diverse patient groups. Med Care 1994;32:40–66.
   PubMed Web of Science ®Google Scholar
• Hanley JA, Mc Neil BJ. The meaning and use of the area under a receiver operating characteristics (ROC) curve. Radiology 1982;143:29–36.
   PubMed Web of Science ®Google Scholar
• Zou KH, O'Malley AJ, Mauri L. Receiver-operating characteristic analysis for evaluating diagnostic tests and predictive models. Circulation 2007;115:654–657.
   PubMed Web of Science ®Google Scholar
• Zweig MH, Campbell G. Receiver-operating characteristic (ROC) plots: a fundamental evaluation tool in clinical medicine. Clin Chem 1993;39:561–577.
   PubMed Web of Science ®Google Scholar
• Jason LA, Plioplys AV, Torres-Harding S, Corradi K. Comparing symptoms of chronic fatigue syndrome in a community-based versus tertiary care sample. J Health Psychol 2003;8:459–464.
   PubMed Web of Science ®Google Scholar
• Tryon WW, Jason LA, Frankenberry E, Torres-Harding S. Chronic fatigue syndrome impairs circadian rhythm of activity level. Physiol Behav 2004;82:849–853.
   PubMed Web of Science ®Google Scholar
• Streeten DH, Bell DS. The roles of orthostatic hypotension, orthostatic tachycardia, and subnormal erythrocyte volume in the pathogenesis of the chronic fatigue syndrome. Am J Med Sci 2000;320:1–8.
   PubMed Web of Science ®Google Scholar