Table 3. Measurements of facial swelling (in millimeters): mean values and differences from preoperative baseline values in the study groups.
| Distance measurement | Evaluation day | Group A Mean (SD) | Group B Mean (SD) | P-value |
|---|---|---|---|---|
| Ex-Go | Operation day (preop baseline) | 106.61 (5.66) | 104.58 (6.01) | 0.066 |
| Second postop day | 107.50 (6.76) | 106.16 (5.70) | 0.371 | |
| Seventh postop day | 108.27 (6.09) | 105.62 (5.58) | 0.106 | |
| Differences | ||||
| Second postop day to baseline | 0.89 (4.10) | 1.58 (3.74) | 0.545 | |
| Seventh postop day to baseline | 1.66 (4.67) | 1.03 (4.32) | 0.654 | |
| Tr-Ch | Operation day (preop baseline) | 113.18 (8.18) | 112.59 (9.03) | 0.492 |
| Second postop day | 113.89 (7.79) | 114.23 (8.67) | 0.730 | |
| Seventh postop day | 113.33 (8.07) | 112.87 (8.40) | 0.569 | |
| Differences | ||||
| Second postop day to baseline | 0.71 (2.49) | 1.64 (2.31) | 0.189 | |
| Seventh postop day to baseline | 0.15 (2.39) | 0.28 (2.44) | 0.846 | |
| Tr-Pg | Operation day (preop baseline) | 140.11 (10.76) | 140.60 (10.34) | 0.400 |
| Second postop day | 142.28 (9.38) | 142.29 (10.09) | 0.943 | |
| Seventh postop day | 141.08 (10.03) | 140.39 (10.61) | 0.429 | |
| Differences | ||||
| Second postop day to baseline | 2.17 (3.30) | 1.69 (2.36) | 0.493 | |
| Seventh postop day to baseline | 0.97 (3.42) | -0.21 (2.24) | 0.193 | |
Remark: Ex-Go, lateral canthus of the eye to the gonion angle; Tr-Ch, tragus to the commissure of the mouth; Tr-Pg, tragus to the soft tissue pogonion; Group A, preoperative dexamethasone administration; Group B, postoperative dexamethasone administration.