… Blumenstiel et al 3 n = 23 with chronic back pain (all female); … , 38.3 ± 7.6 y The presence of
back pain for at least 45 d within … Chronic back pain: on the most painful area in the back and …

… Neither outcome measure has been tested for validity, reliability, or responsiveness in a
CLBP population. Neither the EQ-5D nor the SF-6D have been validated in any other language …

… Two independent sources of information and several classifications were used in the
current study to determine outcomes. Although the current study had a prospective design, the …

… general pain and disability instruments have been tested in patients with low back pain. …
schemes have been used to evaluate outcomes in patients with back pain. However, most of …

… back pain are much more likely to demonstrate true change than subjects with chronic low
back pain… version of the PSFS for patients with low back pain. The authors performed a head-to…

… Outcome Variables The outcomes included frequency of ED use for low back pain
related disorders, diagnostic tests performed, and therapeutic agents used. Diagnostic …

… In the three studies that were included in this review, none reported any significant association
between the QST responses tested and LBP outcomes measured between 4 months and …

… This is in accordance with our results: the control group presented significantly higher
outcome values in all performance tests, indicating good discriminative ability of these tests. The …

… tests and outcomes were often inconsistent between studies. In more than one third of the
tests, there was no evidence of the tests … was tested with single movement testing which is not …

… low back pain prognostic factors are related to the back pain … 50% of outcome variability
and few have been tested in independent … for research in the area of low back pain prognosis. …