The prevalence and pattern of comorbid long-term conditions with low back pain and osteoarthritis in low- and middle-income countries: a systematic review and meta-analysis

Tushingham, Samuel, Cottle, Jason, Adesokan, Mobolade, Ogwumike, Omoyemi O, Ojagbemi, Akin, Stubbs, Brendon, Fatoye, Francis ORCID: https://orcid.org/0000-0002-3502-3953 and Babatunde, Opeyemi O (2024) The prevalence and pattern of comorbid long-term conditions with low back pain and osteoarthritis in low- and middle-income countries: a systematic review and meta-analysis. International Journal of Health Promotion and Education. pp. 1-25. ISSN 1463-5240

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Abstract

Chronic musculoskeletal (MSK) pain, specifically low back pain (LBP) and osteoarthritis (OA), are a major cause of global disability, reduced quality of life and high socioeconomic burden. Research in high income countries suggests MSK pain is often comorbid with other long-term conditions / non-communicable diseases (NCDs) including diabetes, hypertension, and cardiovascular disease. However, the epidemiology of comorbid NCDs and MSK pain in low- and middle-income countries (LMICs) is unclear. This systematic review aims to describe the prevalence and pattern of comorbid NCDs in adults with MSK pain in LMICs. Nine databases were searched for epidemiological studies in LMICs (World Bank categories). Paired researchers independently identified studies, extracted data, and completed critical appraisal using Hoy risk of bias tool. Random-effect meta-analysis was used to estimate prevalence of NCDs comorbid with MSK pain. From 2112 citations; 14 studies (n=6093 adults with MSK pain, mean age=46.9years) were included. Overall prevalence of MSK pain with comorbid NCDs was 46.1% (95%CI 32.3 - 59.9). Systemic hypertension had the highest comorbid prevalence with MSK pain (42.6%, 95%CI 25.6-59.6), followed by diabetes (26.7%, 95%CI 16.1-37.3) and mental health conditions (anxiety/depression; 24.9% 95%CI 11.5-38.4). A high proportion of patients with MSK pain in LMICs experience comorbid NCDs. Variable data/population samples, and under-reporting limit accurate capture of prevalence estimates. Understanding the true burden of MSK pain (specifically lower back pain and hip/knee osteoarthritis) and comorbid NCDs is critical to informing effective treatment strategies. The health systems implications of these findings are imperative towards person-centred care, organisation of care and efficient resource utilisation in LMICs.