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Background <p>Bell’s palsy affects both facial motor function and psychosocial well-being. The Sunnybrook Facial Grading System (SFGS) and the Facial Disability Index (FDI) are widely used to assess objective and subjective outcomes, respectively. This study aimed to explore the correlation between SFGS and FDI in a clinical cohort of patients with Bell’s palsy.</p> Methods <p>A total of 114 patients with Bell’s palsy were assessed using the SFGS and FDI at baseline and at 4-week follow-up during routine physiotherapy care. Pearson’s correlation was used to examine relationships between SFGS components and FDI domains.</p> Results <p>At baseline, a significant negative correlation was found between Synkinesis and FDI Physical Function (r = –0.196, p = 0.036), and a positive correlation between Voluntary Movement and FDI Social Function (r = 0.239, p = 0.010). At 4-week follow-up, Voluntary Movement was positively correlated with FDI Physical Function (r = 0.240, p = 0.010), and Composite Score was positively correlated with FDI Physical Function (r = 0.262, p = 0.005). Resting Symmetry was negatively correlated with FDI Physical Function (r = –0.209, <i>p</i> = 0.026).</p> Conclusion <p>The study demonstrates a moderate but significant correlation between SFGS and FDI, especially at follow-up. Combining objective and subjective measures provides a more holistic understanding of facial paralysis recovery and can guide individualized rehabilitation strategies.</p>

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Clinical correlation between the Sunnybrook facial grading system and facial disability index in patients with Bell’s palsy”

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年2月3日

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  • Pragna Landge,
  • Dhwanit Shah

摘要

Background

Bell’s palsy affects both facial motor function and psychosocial well-being. The Sunnybrook Facial Grading System (SFGS) and the Facial Disability Index (FDI) are widely used to assess objective and subjective outcomes, respectively. This study aimed to explore the correlation between SFGS and FDI in a clinical cohort of patients with Bell’s palsy.

Methods

A total of 114 patients with Bell’s palsy were assessed using the SFGS and FDI at baseline and at 4-week follow-up during routine physiotherapy care. Pearson’s correlation was used to examine relationships between SFGS components and FDI domains.

Results

At baseline, a significant negative correlation was found between Synkinesis and FDI Physical Function (r = –0.196, p = 0.036), and a positive correlation between Voluntary Movement and FDI Social Function (r = 0.239, p = 0.010). At 4-week follow-up, Voluntary Movement was positively correlated with FDI Physical Function (r = 0.240, p = 0.010), and Composite Score was positively correlated with FDI Physical Function (r = 0.262, p = 0.005). Resting Symmetry was negatively correlated with FDI Physical Function (r = –0.209, p = 0.026).

Conclusion

The study demonstrates a moderate but significant correlation between SFGS and FDI, especially at follow-up. Combining objective and subjective measures provides a more holistic understanding of facial paralysis recovery and can guide individualized rehabilitation strategies.