Study protocol for a cluster randomized controlled trial to evaluate a referral strategy for axial spondyloarthritis in young primary care patients with chronic low back pain; an impact study

[1] Hoy D(2012)A systematic review of the global prevalence of low back pain Arthritis Rheum 64 2028-2037

[2] Bain C(2009)The rising prevalence of chronic low back pain Arch Intern Med 169 251-258

[3] Williams G(2012)Years lived with disability (YLDs) for 1160 sequelae of 289 diseases and injuries 1990–2010: a systematic analysis for the Global Burden of Disease Study 2010 Lancet 380 2163-2196

[4] March L(2015)External validation of a referral rule for axial spondyloarthritis in primary care patients with chronic Low back pain PLoS One 10 e0131963-453

[5] Brooks P(2014)Identifying axial spondyloarthritis in dutch primary care patients, ages 20–45 years, with chronic low back pain Arthritis Care Res (Hoboken) 66 446-822

[6] Blyth F(2013)Efficacy and safety of adalimumab in patients with non-radiographic axial spondyloarthritis: results of a randomised placebo-controlled trial (ABILITY-1) Ann Rheum Dis 72 815-1366

[7] Woolf A(2008)Recognition of inflammatory back pain and ankylosing spondylitis in primary care Rheumatology (Oxford) 47 1364-2094

[8] Vos T(2010)An updated overview of clinical guidelines for the management of non-specific low back pain in primary care Eur Spine J 19 2075-209

[9] Buchbinder R(2006)Translating clinical research into clinical practice: impact of using prediction rules to make decisions Ann Intern Med 144 201-698

[10] Freburger JK(2012)Risk prediction models: II. External validation, model updating, and impact assessment Heart 98 691-144

[1] Hoy D(2012)A systematic review of the global prevalence of low back pain Arthritis Rheum 64 2028-2037

[2] Bain C(2009)The rising prevalence of chronic low back pain Arch Intern Med 169 251-258

[3] Williams G(2012)Years lived with disability (YLDs) for 1160 sequelae of 289 diseases and injuries 1990–2010: a systematic analysis for the Global Burden of Disease Study 2010 Lancet 380 2163-2196

[4] March L(2015)External validation of a referral rule for axial spondyloarthritis in primary care patients with chronic Low back pain PLoS One 10 e0131963-453

[5] Brooks P(2014)Identifying axial spondyloarthritis in dutch primary care patients, ages 20–45 years, with chronic low back pain Arthritis Care Res (Hoboken) 66 446-822

[6] Blyth F(2013)Efficacy and safety of adalimumab in patients with non-radiographic axial spondyloarthritis: results of a randomised placebo-controlled trial (ABILITY-1) Ann Rheum Dis 72 815-1366

[7] Woolf A(2008)Recognition of inflammatory back pain and ankylosing spondylitis in primary care Rheumatology (Oxford) 47 1364-2094

[8] Vos T(2010)An updated overview of clinical guidelines for the management of non-specific low back pain in primary care Eur Spine J 19 2075-209

[9] Buchbinder R(2006)Translating clinical research into clinical practice: impact of using prediction rules to make decisions Ann Intern Med 144 201-698

[10] Freburger JK(2012)Risk prediction models: II. External validation, model updating, and impact assessment Heart 98 691-144