Table 3 Scoring of each image by orthodontists or laypersons
Image | Orthodontists (n = 86) | Results* | Laypersons (n = 161) | Results* | P-value** |
|---|---|---|---|---|---|
Mean (SD) | Mean (SD) | ||||
A (+ 1.5 mm) | 31.69 (21.27) | I | 39.39 (22.86) | i | 0.010 |
B (+ 1.0 mm) | 42.37 (22.39) | II | 50.31 (23.76) | ii | 0.011 |
C (+ 0.5 mm) | 59.79 (21.78) | III | 69.27 (21.79) | iii | 0.001 |
D (0 mm) | 70.74 (19.67) | IV | 77.60 (17.12) | iv | 0.005 |
E (− 0.5 mm) | 66.31 (21.79) | III,IV | 68.95 (19.43) | iii | 0.331 |
F (− 1.0 mm) | 67.28 (20.41) | III,IV | 68.98 (21.79) | iii | 0.552 |
G (− 1.5 mm) | 41.77 (23.40) | II | 46.16 (22.09) | i, ii | 0.146 |