Measuring improvement in dyspnoea: Should absolute or relative values be used?

European Respiratory Journal

Volumn 44, Issue 6, 2014, Pages 1700-1703

  Johnson, Miriam J ^a   Bland, J Martin ^b   Oxberry, Stephen G ^c   Abernethy, Amy P ^d,e   Currow, David C ^a,e  

^a UNIVERSITY OF HULL   (United Kingdom)

^b UNIVERSITY OF YORK   (United Kingdom)

^c Kirkwood Hospice   (United Kingdom)

^d DUKE UNIVERSITY SCHOOL OF MEDICINE   (United States)

^e FLINDERS UNIVERSITY   (Australia)

Author keywords

[No Author keywords available]

Indexed keywords

CLINICAL PRACTICE; CRITERION VARIABLE; DYSPNEA; EFFECT SIZE; FUNCTIONAL STATUS; HUMAN; LETTER; LUNG FUNCTION TEST; METHODOLOGY; MINIMAL CLINICALLY IMPORTANT DIFFERENCE; NATIONAL HEALTH SERVICE; PARAMETERS; SYMPTOMATOLOGY; VISUAL ANALOG SCALE; OUTCOME ASSESSMENT; STANDARDS;

NARCOTIC ANALGESIC AGENT;

ANALGESICS, OPIOID; DYSPNEA; HUMANS; OUTCOME ASSESSMENT (HEALTH CARE);

EID: 84916219037     PISSN: 09031936     EISSN: 13993003     Source Type: Journal    
DOI: 10.1183/09031936.00108014     Document Type: Letter

References (13)

1. Gigerenzer G, Edwards A. Simple tools for understanding risks: from innumeracy to insight. BMJ 2003; 327: 741-744.
2. Gigerenzer G, Wegwarth O, Feufel M. Misleading communication of risk. BMJ 2010; 341: c4830.
3. King NB, Harper S, Young ME. Use of relative and absolute effect measures in reporting health inequalities: structured review. BMJ 2012; 345: e5774.
4. Guyatt GH, Osoba D, Wu AW, et al. Methods to explain the clinical significance of health status measures. Mayo Clin Proc 2002; 77: 371-383.
5. Cohen J. A power primer. Psychol Bull 1992; 112: 155-159.
6. Dworkin RH, Turk DC, McDermott MP, et al. Interpreting the clinical importance of group differences in chronic pain clinical trials: IMMPACT recommendations. Pain 2009; 146: 238-244.
7. Currow DC, McDonald C, Oaten S, et al. Once-daily opioids for chronic dyspnea: a dose increment and pharmacovigilance study. J Pain Symptom. Manage 2011; 42: 388-399.
8. Galbraith S, Fagan P, Perkins P, et al. Does the use of a handheld fan improve chronic dyspnea? A randomized, controlled, crossover trial. J Pain Symptom. Manage 2010; 39: 831-838.
9. Johnson MJ, Bland JM, Oxberry SG, et al. Clinically important differences in the intensity of chronic refractory breathlessness. J Pain Symptom Manage 2013; 46: 957-963.
10. Abernethy AP, Currow DC, Frith P, et al. Randomised, double blind, placebo controlled crossover trial of sustained release morphine for the management of refractory dyspnoea. BMJ 2003; 327: 523-528.
11. Johnson MJ, McDonagh TA, Harkness A, et al. Morphine for the relief of breathlessness in patients with chronic heart failure - a pilot study. Eur J Heart Fail 2002; 4: 753-756.
12. Oxberry SG, Torgerson DJ, Bland JM, et al. Short-term opioids for breathlessness in stable chronic heart failure: a randomized controlled trial. Eur J Heart Fail 2011; 13: 1006-1012.
13. Farrar JT, Young JP Jr, LaMoreaux L, et al. Clinical importance of changes in chronic pain intensity measured on an 11-point numerical pain rating scale. Pain 2001; 94: 149-158.