Prevalence of patellofemoral pain and knee pain in the general population of Chinese young adults: a community-based questionnaire survey
- PMID: 29793456
- PMCID: PMC5968546
- DOI: 10.1186/s12891-018-2083-x
Prevalence of patellofemoral pain and knee pain in the general population of Chinese young adults: a community-based questionnaire survey
Abstract
Background: Previous studies that have described the prevalence of patellofemoral pain (PFP) have been limited to samples of military personnel or sporting populations, and convincing data in the general Chinese population are lacking. The present study defined the prevalence of PFP and knee pain in the general population of Chinese young adults and evaluated whether gender, age, or body mass index (BMI) were associated with PFP.
Methods: An anonymous online questionnaire survey was open to the general public in China. A self-report questionnaire was used to specifically identify PFP. The population aged 18-40 years was enrolled in the study and completed the questionnaire. The prevalence of PFP and knee pain in the overall sample and in subgroups stratified by sex, age, and BMI was estimated. Logistic regression analysis was conducted to determine if there was a significant association between PFP and sex, age, or BMI.
Results: A total of 1153 participants were enrolled in the study. The prevalence of PFP in the overall sample and among the male and female participants was 20.7, 20.3, and 21.2%, respectively. The prevalence of the knee pain in the overall sample and among the male and female participants was 35.6, 38.2, and 33.7%, respectively. The prevalence of PFP in the subgroups stratified by age and BMI did not differ significantly between the groups. Gender, age, and BMI did not have significant associations with the prevalence of PFP.
Conclusion: PFP is common in the general Chinese population. Clinicians should direct more attention toward the early diagnosis of and interventions for PFP.
Keywords: Association; Knee pain; Patellofemoral pain; Prevalence; Questionnaire survey.
Conflict of interest statement
Ethics approval and consent to participate
The Ethics Committee of Nanjing Drum Tower Hospital approved the survey. All subjects signed informed consents by marking a checkbox. The study was conducted according to the Helsinki Declaration (Ethical Principles for Medical Research Involving Human Subjects).
Competing interests
The authors declare that they have no competing interests. QJ is a member of the editorial board of BMC Musculoskeletal Disorders.
Publisher’s Note
Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
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