Abstract
Neuropathy can contribute to low back pain (LBP) in the region of the back. Our study investigated the proportion of neuropathic pain (NP) in low back region in chronic LBP patients from multicenter and clinics in China and identified associated factors. Assessment was made using a questionnaire and the Leeds Assessment of Neuropathic Symptoms and Signs (LANSS, only tested in low back region), as well as Quantitative Sensory Testing (QST, merely applied to the low back region), the Hospital Anxiety and Depression Scale (HADS) and the Oswestry Disability Index (ODI). Our questionnaire collected demographic information, behavioral habits and medical records. 2116 outpatients over 18 years old complaining of LBP lasting more than 3 months were enrolled in this study. The NP proportion in low back region in chronic LBP patients was 2.8%. Multivariable logistic regression analysis showed that histories of lumbar surgery, abdominal or pelvic surgery, and drinking alcohol were independent positive predictors for LBP of predominantly neuropathic origin (LBNPO), while history of low back sprain and frequently carrying weight as independent negative predictor. Using these parameters may help the identification of patients with chronic LBP likely to develop NP leading to improved treatment outcomes.
Highlights
Low back pain (LBP) is one of the most common diseases occurring with neuropathic pain (NP)[1]
This study aimed to investigate the proportion of chronic low back pain (LBP) patients with NP in low back region in clinics and looked for associated factors that could have significance in guiding clinical practice
Our cohort included a total of 48 cases with LBP of predominantly neuropathic origin (LBNPO) with Leeds Assessment of Neuropathic Symptoms and Signs (LANSS) scores greater than or equal to 12, giving an NP proportion of 2.8%
Summary
Low back pain (LBP) is one of the most common diseases occurring with neuropathic pain (NP)[1]. Low back pain of neuropathic origin (LBNPO) often develops into chronic LBP, characterized by a protracted disease course and recurrent attacks. The prevalence of NP among chronic LBP patients in Saudi Arabia were 41% and 54.7%17,18, while the prevalence of NP among African patients suffering from common low back pain was 49.5%19. The proportion of NP and associated factors in low back region in Chinese LBP patients have not been investigated. This study aimed to investigate the proportion of chronic LBP patients with NP in low back region (not referring to leg pain) in clinics and looked for associated factors that could have significance in guiding clinical practice
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