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Wrinkle Severity Rating Scale, and Facial Visual Scale Scores Assessing Wrinkles and Jawline Sagging Before and After Facial Muscle Exercise Using the Pao Device
| Assessment tool | Before | After | P |
|---|---|---|---|
| Mean ± SD | Mean ± SD | ||
| Wrinkle Severity Rating Scale | 2.582 ± 0.629 | 2.370 ± 0.708 | 0.025 |
| Facial Visual Scale: wrinkles | 3.855 ± 1.715 | 5.130 ± 1.493 | <0.001 |
| Facial Visual Scale: jawline sagging | 4.000 ± 2.082 | 5.407 ± 1.666 | <0.001 |
SD, standard deviation.
