Table 4 Comparison of preoperative and postoperative parameters in surgical group (n = 54)
From: Assessment of nasal base morphology using new proportion indices in Chinese
Index | Preoperative | Postoperative | Difference | t | P |
|---|---|---|---|---|---|
\( \bar{x} \pm s \) | \( \bar{x} \pm s \) | \( \bar{x} \pm s \) | |||
1 sn-prn | 1.84 ± 0.22 | 2.10 ± 0.22 | −0.26 ± 0.27 | −7.04 | 0.000* |
2 c-sn | 0.84 ± 0.15 | 0.93 ± 0.13 | −0.09 ± 0.11 | −6.05 | 0.000* |
3 all-alr | 3.63 ± 0.26 | 3.58 ± 0.36 | 0.05 ± 0.29 | 1.22 | 0.229 |
4 inter-alar angle | 91.22 ± 11.18 | 80.93 ± 8.01 | 10.28 ± 8.58 | 8.81 | 0.000* |
5 inter-axial angle | 74.99 ± 13.85 | 67.66 ± 12.69 | 7.33 ± 8.99 | 5.99 | 0.000* |
6 sn-prn/all-alr | 0.51 ± 0.55 | 0.59 ± 0.42 | −0.08 ± 0.05 | −11.65 | 0.000* |
7 c-prn/a | 0.32 ± 0.04 | 0.4 ± 0.04 | −0.08 ± 0.05 | −11.589 | 0.000* |
8 c-sn/all-alr | 0.23 ± 0.04 | 0.26 ± 0.05 | −0.04 ± 0.04 | −7.711 | 0.000* |