Table 3 Anthropometric analysis results showing the values (mean ± standard deviation) of the observed parameters before and after the operation, their differences (with 95% confidence interval) and their comparison with the t test (p value)
Parameter | Before | After | Diff. (95% CI) | Sig |
|---|---|---|---|---|
Inner eye distance | enL-enR (mm) | 32.5 ± 3.3 | 32.5 ± 2.9 | 0.0 ± 1.3 (− 0.8; 0.7) | 0.962 |
Nasal ala width | alL-alR (mm) | 35.0 ± 1.9 | 36.2 ± 2.2 | − 1.1 ± 1.7 (− 3.2; − 1.3) | 0.019* |
Nasal base width | acL-acR (mm) | 33.4 ± 2.1 | 35.6 ± 2.4 | − 2.2 ± 1.7 (− 5.3; − 3.5) | < .001* |
Facial width | zyL-zyR (mm) | 135 ± 7.0 | 134.0 ± 6.0 | 0.7 ± 2.8 (− 0.2; 2.9) | 0.380 |
Gonion width | goL-goR (mm) | 126 ± 6.0 | 125.0 ± 6.0 | 1.3 ± 2.8 (1.0; 4.1) | 0.095 |
Mouth width | chL-chR (mm) | 48.2 ± 5.6 | 48.5 ± 5.1 | − 0.2 ± 2.8 (− 2.0; 1.1) | 0.758 |
Intermental width | meL-meR (mm) | 57.1 ± 4.7 | 56.2 ± 4.3 | 0.9 ± 4.4 (− 0.7; 4.2) | 0.454 |
Face height | g-pg (mm) | 130.0 ± 9.0 | 129.0 ± 10.0 | 1.4 ± 2.9 (1.2; 4.5) | 0.082 |
Upper face height | g-sn (mm) | 72.4 ± 5.0 | 71.0 ± 5.0 | 1.4 ± 1.7 (1.9; 3.8) | 0.006* |
Lower face height | sn-pg (mm) | 58.9 ± 6.7 | 59.0 ± 7.0 | − 0.1 ± 3.1 (− 2.0; 1.4) | 0.857 |
Nasal dorsum length | n-prn (mm) | 50.7 ± 4.9 | 50.5 ± 4.3 | 0.2 ± 1.6 (− 0.6; 1.3) | 0.688 |
Nasal tip protrusion | prn-sn (mm) | 23.1 ± 1.9 | 22.5 ± 2.2 | 0.6 ± 1.3 (0.5; 2.0) | 0.092 |
prn-pg (mm) | 76.6 ± 7.3 | 76.4 ± 7.5 | 0.2 ± 2.7 (− 1.1; 1.9) | 0.802 |
Vertical philtrum height | sn-st (Mm) | 21.6 ± 2.7 | 22.4 ± 2.9 | − 0.8 ± 1.2 (− 2.3; − 0.9) | 0.025* |
Facial profile angle | n-sn-pg (°) | 193.0 ± 8.0 | 195.0 ± 8.0 | − 1.7 ± 2.7 (1.9; 5.0) | 0.032* |
Nasolabial angle | cm-sn-ls (°) | 111.0 ± 7.0 | 114.0 ± 7.0 | − 2.9 ± 3.9 (3.6; 8.0) | 0.013* |
Nasal width angle | acL-prn-acR (°) | 57.9 ± 4.7 | 64.2 ± 7.0 | − 6.3 ± 4.9 (− 15.3; − 9.9) | < .001* |