Table 4:
Descriptive statistics of the study population in comparison with post-operative facial nerve outcomes
| Early post-operative House- Brackmann score |
pa | Most recent post-operative House-Brackmann score |
pa | |||
|---|---|---|---|---|---|---|
| I - II (n=23) | III - VI (n=13) | I - II (n=32) | III - IV (n=4) | |||
| Age in year, mean(SD) | 51.78(14.02) | 45.31(11.4) | 0.13 | 49.94(13.5) | 45.5(13.03) | 0.67 |
| Gender, n(%) | ||||||
| Male | 7(30.43) | 6(46.15) | 10(31.25) | 3(75) | ||
| Female | 16(69.57) | 7(53.85) | 0.47 | 22(68.75) | 1(25) | 0.12 |
| Laterality, n(%) | ||||||
| Right | 13(56.52) | 6(46.15) | 16(50) | 3(75) | ||
| Left | 10(43.48) | 7(53.85) | 0.73 | 16(50) | 1(25) | 0.61 |
| Preoperative PTA, mean(SD) | 48.54(20.32) | 53.13(27.65) | 0.72 | 48.74(21.4) | 61.88(34.77) | 0.51 |
| Preoperative SDS, mean(SD) | 62.96(37.66) | 45.85(43.65) | 0.27 | 60.75(37.87) | 25(50) | 0.22 |
| Tumor volume (cm3), mean(SD) | 3.06(6.28) | 10.05(13.25) | 0.016 | 4.68(9.55) | 12.81(10.33) | 0.2 |
| Fundus distance (mm), mean(SD) | 1.54(2.17) | 3.41(2.51) | 0.034 | 1.89(2.38) | 4.4(1.65) | 0.047 |
| Tumor origin, n(%) | ||||||
| IVN | 9(39.13) | 3(23.08) | 10(31.25) | 2(50) | ||
| SVN | 5(21.74) | 1(7.69) | 6(18.75) | 0(0) | ||
| Unknown | 9(39.13) | 9(69.23) | 0.32 | 16(50) | 2(50) | 0.81 |
| Surgical approach, n(%) | ||||||
| TL | 14(60.87) | 6(46.15) | 17(53.13) | 3(75) | ||
| MCF | 9(39.13) | 7(53.85) | 0.49 | 15(46.88) | 1(25) | 0.61 |
Abbreviations: std, standard deviation; PTA, pure tone average on the affected side; SDS, speech discrimination score on the affected side; IVN, inferior vestibular nerve; SVN, superior vestibular nerve; TL, translabyrinthine; MCF, middle cranial fossa.
a
Wilcoxon–Mann–Whitney test for continuous variables and Fisher’s exact test for categorical variables.