Table 2.
Scale used in the study.
| Scale Name | Description |
|---|---|
| Blind Subject-Rated Submental-Rated Submental Fat Rating Scale (Blind SR-SMFRS) * | Subject’s self-evaluation of the submental fat independently without any information about Unbind SR-SMFRS or ER-SMFRS. Grade 0: No submental fat Grade 1: Slight amount of submental fat Grade 2: Moderate amount of submental fat Grade 3: Large amount of submental fat Grade 4: Very large amount of submental fat |
| Unblind Subject-Rated Submental Fat Rating Scale (Unblind SR-SMFRS) * | Subject’s self-evaluation of the submental fat with reference to validated CR-SMFRS from ATX-101 trial Grade 0: No submental fat Grade 1: Slight amount of submental fat Grade 2: Moderate amount of submental fat Grade 3: Large amount of submental fat Grade 4: Very large amount of submental fat |
| Evaluator-Rated Submental Fat Rating Scale (ER-SMFRS) | Examiner’s evaluation of subject’s submental fat with reference to validated CR-SMFRS from ATX-101 trial. The examiners are composed of 6 plastic surgeons. |
| Subject Self Satisfaction Scale (SSSS) * | Subject’s own satisfaction scale regarding submental fat Very dissatisfied (0), Dissatisfied (1), Slightly dissatisfied (2), Neutral (3), Slightly satisfied (4), Satisfied (5), Very satisfied (6) |
| Subject-Rated Submental Fat Psychological Impact Scale (SR-SMFPIS) * | Subject’s own evaluation of the psychological effect of the subject’s appearance of submental fat on the subject’s quality of life. It has been used in the clinical trial for ATX-101. Contains 6 items. Each item is composed of 10 points. For question 1, a higher point is a positive self-evaluation, while the remaining 5 questions are negative evaluation with higher points. Thus, for analysis, a reverse correlation was used to analyze for question 1. 1. How satisfied are you with your submental fat? 2. How much attention do you pay to your submental fat? 3. How much are you conscious about other people’s view on your submental fat? 4. How embarrassed are you about your submental fat? 5. How much older do you look due to submental fat? 6. How much overweight do you look due to submental fat? |
| Derriford Appearance Scale 24 (DAS 24) | Korean version of psychological measure of appearance concern validated for use in research and clinical settings. Contains 24 items. This survey originally takes into account the general physical appearance, but subjects were asked only to take into account their chin appearance. Each item is scored between −3 and +3. |
| Body Image Quality Life Inventory (BIQLI) | Self-evaluation of whether one’s own physical appearance gives negative/positive effect on one’s life. Very negative (−3), Moderately negative (−2), Mildly negative (−1), No effect (0), Mildly positive (+1), Moderately positive (+2), Very positive (3+). This survey originally takes into account the general physical appearance, but subjects were asked only to take into account their chin appearance. |
| Cervicomental angle | The angle formed by a straight line drawn from hyoid bone to mandible gnathion point and a second straight line drawn from hyoid bone to sternal notch. |
* While maintaining the same position as when clinical photos were taken, the subject self-evaluated by looking in a mirror without distortion in the Frankfort horizontal plane, which was maintained in the horizontal position.