P. Kersten, P. White, and A. Tennant, Is the pain visual analogue scale linear and responsive to change?

E. Gallagher, P. Bijur, C. Latimer, and W. Silver, Reliability and validity of a visual analog scale for acute abdominal pain in the ED, The American Journal of Emergency Medicine, vol.20, issue.4, pp.287-90, 2002.
DOI : 10.1053/ajem.2002.33778

J. Lee, E. Hobden, I. Stiell, and G. Wells, Clinically Important Change in the Visual Analog Scale after Adequate Pain Control, Academic Emergency Medicine, vol.28, issue.10, pp.1128-1158, 2003.
DOI : 10.1001/jama.271.12.925

M. Jensen, C. Chen, and A. Brugger, Interpretation of visual analog scale ratings and change scores: a reanalysis of two clinical trials of postoperative pain, The Journal of Pain, vol.4, issue.7, pp.407-421, 2003.
DOI : 10.1016/S1526-5900(03)00716-8

B. Auffinger, R. Lall, N. Dahdaleh, A. Wong, S. Lam et al., Measuring Surgical Outcomes in Cervical Spondylotic Myelopathy Patients Undergoing Anterior Cervical Discectomy and Fusion: Assessment of Minimum Clinically Important Difference, PLoS ONE, vol.10, issue.6, p.67408, 2013.
DOI : 10.1371/journal.pone.0067408.t004

N. Bourdel, J. Alves, G. Pickering, I. Ramilo, H. Roman et al., Systematic review of endometriosis pain assessment: how to choose a scale?, Human Reproduction Update, vol.21, issue.1, pp.136-52, 2015.
DOI : 10.1093/humupd/dmu046

D. Khanna, J. Pope, P. Khanna, M. Maloney, N. Samedi et al., The Minimally Important Difference for the Fatigue Visual Analog Scale in Patients with Rheumatoid Arthritis Followed in an Academic Clinical Practice, The Journal of Rheumatology, vol.35, issue.12, pp.2339-2382, 2008.
DOI : 10.3899/jrheum.080375

A. Kelly, The minimum clinically significant difference in visual analogue scale pain score does not differ with severity of pain, Emergency Medicine Journal, vol.18, issue.3, pp.205-212, 2001.
DOI : 10.1136/emj.18.3.205

P. Myles, S. Troedel, M. Boquest, and M. Reeves, The pain visual analog scale: is it linear or nonlinear?, p.68

S. Bird and E. Dickson, Clinically significant changes in pain along the visual analog scale, Annals of Emergency Medicine, vol.38, issue.6
DOI : 10.1067/mem.2001.118012

R. Emshoff, S. Bertram, and I. Emshoff, Clinically important difference thresholds of the visual analog 72 scale: a conceptual model for identifying meaningful intraindividual changes for pain intensity, p.73

P. Bijur, W. Silver, and E. Gallagher, Reliability of the Visual Analog Scale for Measurement of Acute Pain, Academic Emergency Medicine, vol.92, issue.12, pp.1153-1160, 2001.
DOI : 10.1097/00000539-199801000-00020

L. Deloach, M. Higgins, A. Caplan, and J. Stiff, The visual analog scale in the immediate 77 postoperative period: intrasubject variability and correlation with a numeric scale, Anesth Analg, vol.7886, issue.1, pp.102-108, 1998.

P. Kersten, A. Kucukdeveci, and A. Tennant, The use of the Visual Analogue Scale (VAS) in rehabilitation outcomes, Journal of Rehabilitation Medicine, vol.44, issue.7, pp.609-619, 2012.
DOI : 10.2340/16501977-0999

P. Demoly, P. Bousquet, K. Mesbah, J. Bousquet, and P. Devillier, Visual analogue scale in patients 82 treated for allergic rhinitis: an observational prospective study in primary care: Asthma and 83

P. Bousquet, C. Combescure, J. Klossek, J. Daures, and J. Bousquet, Change in visual analog scale 85 score in a pragmatic randomized cluster trial of allergic rhinitis, J Allergy Clin Immunol, vol.86123, issue.6, pp.1349-54, 2009.

P. Bousquet, C. Bachert, G. Canonica, T. Casale, J. Mullol et al., Uncontrolled 98 allergic rhinitis during treatment and its impact on quality of life: a cluster randomized trial, p.99

M. Morais-almeida, H. Pite, A. Pereira, A. Todo-bom, C. Nunes et al., Prevalence and 104 classification of rhinitis in the elderly: a nationwide survey in Portugal, Allergy, vol.68, issue.9, pp.1150-105, 2013.