Surgical treatment of spinal stenosis with and without degenerative spondylolisthesis: cost-effectiveness after 2 years. The higher the score, the greater the disability. The Neck Disability Index (NDI) and numeric rating scales (0 to 10) for neck pain and arm pain are widely used cervical spine disease–specific measures. Internal consistency evaluates the extent to which items comprising a scale measure the same construct and was calculated using Cronbach's alpha. 2002, Philadelphia: University Press, 2.
Revue internationale de recherches de readaptationThe construct validity of the Short Form-36 Health Survey for patients with nonspecific chronic neck pain. Nevertheless the percentage of variance explained in this factor solution is rather low (<50%) which could be considered as a limitation of our study. SEM: Standard Error of Measurement. Standard Error of Measurement is calculated as the square root of the within-subject variance of "stable" subjects [27]. The items of the questionnaire are assessed on a 010 numeric rating scale in which 0 means no disability and 10 is maximum disability. We have accumulated enough evidence to show that the Greek version of the Neck Disability Index measures disability in activities of daily leaving in patients with neck pain in a reliable, valid and responsive manner. Arch Phys Med Rehabil. The MDC expresses the minimal magnitude of change required to be 95% confident that the observed change between the two measures reflects real change and not just measurement error. Carreon, L. Y., Anderson, P. A., et al.
"Rasch analysis provides new insights into the measurement properties of the neck disability index. " The score of each item varies between 0 (no pain and no functional limitation) and 5 (worst pain and maximal limitation) resulting in a total score of 0 (no disability) to 50 (totally disabled). The scores range from 0-100% with lower scores meaning less disability. Hoving, J. L., O'Leary, E. F., et al. Below is the questionnaire.
Trouli, M. N., Vernon, H. T., Kakavelakis, K. N. et al. The model using NDI alone had an R-square of 0. Grade II is a moderate neck strain where more muscle fibers are torn. Andersson HI, Ejlertsson G, Leden I, Rosenberg C: Chronic pain in a geographically defined general population: studies of differences in age, gender, social class and pain localization. The general impression of the participants was that the questionnaire and the instructions were easy to understand and that the items were important to their situation. The study was approved by the Scientific Committee of the University Hospital of Heraklion (Protocol # 7213/1-8-2007).
In order to explore the psychometric properties of the Greek version of the NDI, the questionnaire was administered to patients with neck pain, seeking primary care from 3 rural health centers. Competing interests. Cronbach alpha was calculated as 0. SøgaardR, ChristensenFB, VidebaekTS, BüngerC, ChristiansenT: Interchangeability of the EQ-5D and the SF-6D in long-lasting low back pain.
The original version of the questionnaire was used. 00, to equal a $100, 000. Jaeschke R, Singer J, Guyatt GH: Measurement of health status: Ascertaining the minimal clinically important difference. You can also download it, export it or print it out. 0001), with correlation coefficients of −0. The pain is very severe at the moment. GPs: General Practitioners. 0-4points (0-8%) no disability, - 5-14points ( 10 – 28%) mild disability, - 15-24points (30-48%) moderate disability, - 25-34points (50- 64%) severe disability, - 35-50points (70-100%) complete disability. All authors read and approved the final manuscript. The Clinical Journal of PainMultidisciplinary Rehabilitation Treatment of Patients With Chronic Low Back Pain: A Prognostic Model for Its Outcome. Theoretical considerations illustrated by an empirical example. Occasionally, a respondent will not.
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