Mechanical Pain is a Main Type of Pain in Patients With Advanced Knee Osteoarthritis.

ABSTRACT:

Objectives

This study aimed to investigate the prevalence and risk factors of mechanical pain in patients with advanced knee osteoarthritis (KOA), providing insights for targeted treatment approaches.

Methods

We conducted a cross-sectional study involving 920 patients with KOA. The sample size was determined using the formula n=(Z ²∗P∗(1 - P))/E ², assuming a 95% confidence interval (CI) and a 5% margin of error. Data on demographics and affected knee parameters, including age, sex, body mass index (BMI), affected side, Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) scores, range of motion, degree of varus, and numeric rating scale (NRS) were collected. Pain was categorized using the painDETECT

SUBMITTER: Li Q 

PROVIDER: S-EPMC12668844 | biostudies-literature | 2025

REPOSITORIES: biostudies-literature