[Beaton, D.E., Bombardier, C., Guillemin, F. et al. (2000). Guidelines for the Process of Cross-Cultural Adaptation of Self-Report Measures. Spine, 25 (24), 3186-3191.10.1097/00007632-200012150-00014]Search in Google Scholar
[Beurskens, A.J.H.M., de Vet ,H.C.W., Köke, A.J.A. (1996). Responsiveness of functional status in low back pain: a comparison of different instruments. Pain, 65, 71-76.10.1016/0304-3959(95)00149-2]Search in Google Scholar
[Bullinger, M., Kirchberger, I., Ware, J. (1995). Der deutsche SF-36 Health Survey, Übersetzung und psychometrische Testung eines krankheitsübergreifenden Instrumentes zur Erfassung der gesundheitsbezogenen Lebensqualität. Zeitschrift für Gesundheitswissenschaften, 1, 21-36.]Search in Google Scholar
[Chatman, A.B., Hyams, S.P., Neel, J.M., Binkley, J.M., Stratford, P.W., Schomberg, A., Stabler, M. (1997). The patient specific functional scale: Measurement properties in patients with knee dysfunctions. Phys Ther., 77 (8), 820-829.10.1093/ptj/77.8.820]Search in Google Scholar
[Cleland, J., Gillani, R., Bienen, J., Sadosky, A. (2010). Assessing Dimensionality and Responsiveness of Outcomes Measures for Patients with Low Back Pain. Pain Practise, 11 (1), 57-69.]Search in Google Scholar
[Costa, L.O.P., Maher, C.G., Latimer, J. et al. (2008). Clinimetric Testing of three self-report outcome Measures for low back pain patients in Brazil: Which one is the best? Spine, 33 (22), 2459-2463.10.1097/BRS.0b013e3181849dbe]Search in Google Scholar
[Deyo, R.D., Andersson, G., Bombardier, C. et al . (1994). Outcome measures for studying patients with low back pain. Spine, 19 (18 Suppl), 2032S-2036S.10.1097/00007632-199409151-00003]Search in Google Scholar
[Fairbank, J.C.T., Couper Mbaot, J., Davies, J.B. et al. (1980). The Oswestry Low Back Pain Disability Questionnaire. Physiotherapy, 66, 271-273.]Search in Google Scholar
[Feinstein 1986 und Guyatt 1987,zit. n. Beurskens, A.J.H.M.., de Vet, H.C.W., Köke, A.J.A. (1996) Responsiveness of functional status in low back pain: a comparison of different instruments. Pain, 65, 71-76.10.1016/0304-3959(95)00149-2]Search in Google Scholar
[Guyatt, G., Berman, L.B., Towsend, M. et al. (1985). Should study subjects see their previous responses? J Chron Dis, 38 (12), 1003-1007.10.1016/0021-9681(85)90098-0]Search in Google Scholar
[Haigh R., Tennant, A., Biering-Sörensen, F. et al. (2001).The use of outcome measures in physical medicine and, rehabilitation within Europe. J Rehabil Med, 33, 273-2786.10.1080/165019701753236464]Search in Google Scholar
[Hall, A.M., Maher, C.G., Latimer, J. et al. (2011).The patient-specific functional scale is more responsive than the Roland Morris disability questionnaire when activity limitation is low. Eur Spine J, 20, 79-86.10.1007/s00586-010-1521-8]Search in Google Scholar
[Husted, J.A., Cook, R.J., Farewell, V.T. et al. (2000). Methods for assessing responsiveness: a critical review and recommendations. Journal of Clinical Epidemiology, 53, 459-468.10.1016/S0895-4356(99)00206-1]Search in Google Scholar
[Jolles, B.M., Buchbinder, R., Beaton, DE. (2005). A study compared nine patient-specific indices for musculoskeletal disorders. Journal of Clinical Epidemiology, 58, 791-801.10.1016/j.jclinepi.2005.01.012]Search in Google Scholar
[Kamper, S.J., Maher, C.G., Mackay, G. (2009). Global Rating of Change Scales: A Review of Strengths and Weaknesses and Considerations for Design. Journal of Manual & Manipulative Therapy, 17 (3), 163-170.10.1179/jmt.2009.17.3.163]Search in Google Scholar
[Kumar, R., Indrayan, A. (2011). Receiver Operating Characteristic (ROC) Curve for Medical Researchers. Indian Pediatrics, 48, 277-287.10.1007/s13312-011-0055-4]Search in Google Scholar
[Mannion, A.F., Junge, A., Fairbank, J.C.T. et al. (2006a). Development of a German version of the Oswestry Disability Index. Part 1: cross-cultural adaption, reliability, and validity. Eur Spine J, 15, 55-65.10.1007/s00586-004-0815-0]Search in Google Scholar
[Mannion, A.F., Junge, A., Fairbank, J.C.T. et al. (2006b). Development of a German version of the Oswestry Disability Index. Part 2: sensitivity to change after spinal surgery. Eur Spine J, 15, 66-73.10.1007/s00586-004-0816-z]Search in Google Scholar
[Maschewsky-Schneider, U. (2009). Gesundheitsziele.de. Bundesgesundheitsblatt , 52, 764-774. doi: 10.1007/s00103-009-0870-010.1007/s00103-009-0870-0]Search in Google Scholar
[Maughan, E.F., Lewis, J.S. (2010) Outcome measures in chronic low back pain. Eur Spine J, 19, 1484-1494.10.1007/s00586-010-1353-6]Search in Google Scholar
[Mokkink, L.B., Terwee, C.B., Patrick, D.L. et al. (2010). The COSMIN study reached international consensus on taxonomy, terminology, and definitions of measurement properties for health-related patient-reported outcomes. Journal of Clinical Epidemiology, 63, 737-745.10.1016/j.jclinepi.2010.02.006]Search in Google Scholar
[Pengel, L.H.M., Refshauge, K.M., Maher, C.G. (2003).Responsiveness of Pain, Disability, and Physical Impairment Outcomes in Patients with Low Back Pain. Spine, 29, (8), 879-883.]Search in Google Scholar
[Roland, M., Fairbank, J. (2000) The Roland-Morris Disability Questionnaire and the Oswestry Disability Questionnaire. Spine, 25 (24), 3115-3124.10.1097/00007632-200012150-00006]Search in Google Scholar
[Statistisches_Bundesamt (2010). Statistisches Jahrbuch 2010 (Adobe Digital Editions version). https://www.destatis.de/DE/Publikationen/StatistischesJahrbuch/StatistischesJahrbuch2010.pdf?__blob=publicationFile]Search in Google Scholar
[Sterling, M. (2007). Patient Specific Functional Scale: Summary. Australian Journal of Physiotherapy, 53, 65.10.1016/S0004-9514(07)70066-1]Search in Google Scholar
[Stratford, P., Gill, C., Westaway, M., Binkley, J. (1995). Assesing disability and change on individual patients: A report of a patient specific measure. Physiotherapy Canada, 47 (4), 258-263.10.3138/ptc.47.4.258]Search in Google Scholar
[Terwee, C.B., Bot, S.D.M., de Boer, M.R. et al. (2007).Quality criteria were proposed for measurement properties of health status questionnaires. Journal of Clinical Epidemiology, 60, 34-42.10.1016/j.jclinepi.2006.03.01217161752]Search in Google Scholar
[Wenig, C. M. (2009). Costs of back pain in Germany. Eur J Pain, 13(3), 280-6.10.1016/j.ejpain.2008.04.00518524652]Search in Google Scholar