Table 4.
Cochlear nerve sizes according to sex and age.
| Age range (years) | Female (81 ears) |
Male (76 ears) |
||||||
|---|---|---|---|---|---|---|---|---|
| N | VD (mm) | HD (mm) | CSA (mm2) | N | VD (mm) | HD (mm) | CSA (mm2) | |
| 18–19 | 5 | 1.44 ± 0.11 | 1.07 ± 0.08 | 1.21 ± 0.17 | 4 | 1.48 ± 0.05 | 1.15 ± 0.06 | 1.33 ± 0.1 |
| 20–29 | 20 | 1.42 ± 0.13 | 1.12 ± 0.08 | 1.24 ± 0.11 | 17 | 1.43 ± 0.21 | 1.06 ± 0.19 | 1.22 ± 0.41 |
| 30–39 | 10 | 1.42 ± 0.15 | 1.05 ± 0.12 | 1.16 ± 0.27 | 13 | 1.42 ± 0.04 | 1.04 ± 0.07 | 1.16 ± 0.12 |
| 40–49 | 12 | 1.33 ± 0.19 | 0.98 ± 0.21 | 1.04 ± 0.36 | 17 | 1.36 ± 0.19 | 1 ± 0.2 | 1.1 ± 0.38 |
| 50–59 | 13 | 1.3 ± 0.1 | 0.96 ± 0.12 | 0.98 ± 0.19 | 7 | 1.3 ± 0.15 | 0.96 ± 0.05 | 0.97 ± 0.17 |
| 60–69 | 13 | 1.21 ± 0.1 | 0.87 ± 0.09 | 0.8 ± 0.18 | 12 | 1.26 ± 0.19 | 0.93 ± 0.21 | 0.83 ± 0.29 |
| 70–79 | 8 | 1.22 ± 0.18 | 0.93 ± 0.14 | 0.89 ± 0.24 | 6 | 1.17 ± 0.19 | 0.95 ± 0.08 | 0.87 ± 0.22 |
| Total | 81 | 1.33 ± 0.17 | 0.99 ± 0.14 | 1.03 ± 0.27 | 76 | 1.36 ± 0.18 | 1.01 ± 0.16 | 1.08 ± 0.32 |
| P | 0.001* | 0.001* | 0.001* | 0.004* | 0.033* | 0.003* | ||
HD horizontal diameter, VD vertical diameter, CSA cross-sectional area, * statistical significance.
Data are presented as mean ± standard deviation.
There were no statistically significant differences between males and females in terms of any morphometric measurements.