Hafiza Rabia Javed, Humaira Urfan, Tabassum Noor, Saira Ashfaq, Aftab Ansar Lodhi, Esha Amanullah, Kirn Arshad, Sairish Sairien, Hira Rafique, Intsam Aslam.
Prevalence of Knee OA and its Association with Low Back Pain.
J Health Rehab Res Nov ;4(1):116-21.

Background: Knee osteoarthritis (OA) is a prevalent musculoskeletal condition known to impact quality of life and daily functioning significantly. Previous studies have identified a potential association between knee OA and low back pain, but this relationship requires further exploration to understand its implications fully. Objective: The objective of this study was to investigate the correlation between knee OA and low back pain, specifically examining the impact of knee pain on quality of life, daily functioning, and the severity of low back pain. Methods: A cross-sectional study was conducted with 377 OA patients aged between 45 to 75 years, selected via non-probability convenient sampling from various hospitals in Sialkot. Exclusion criteria included a history of knee surgery or recent trauma, mental retardation, or diabetes. Data were collected using the Oswestry Low Back Disability Index and the KOOS Urdu version. Statistical analysis was performed using SPSS version 26, focusing on descriptive statistics, mean and standard deviation for quantitative data, and the chi-square test for associations, with a significance threshold set at a p-value greater than 0.05. Results: The study found that the prevalence of knee OA varied by age group, with the highest prevalence (46.6%) in the 45-54 age group. Female participants predominated (75.9%). Severity levels of knee OA were classified as mild (32.6%), moderate (42.2%), and severe (21.8%). Significant correlations were observed between knee OA and low back pain, with correlation coefficients of 0.480 for pain effects on QOL, 0.441 for pain during SRF, 0.571 for pain during AODL, and 0.437 for the total score of pain. Conclusion: The study confirms a significant correlation between knee OA and low back pain, highlighting the need for integrated management approaches for patients suffering from these conditions. Addressing both knee and back pain concurrently could lead to better patient outcomes and improved quality of life.

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