Table 2.
Radiation dose | Frequency distribution (%) | Cochlear volume (mm3) | |||
---|---|---|---|---|---|
cGy | Min. | Max. | Mean | ||
600 | 600 | 630 | 608.6 ± 6.9 | 111 (94.9%) | 83.6 ± 29.4 |
800 | 800 | 824 | 810.5 ± 6.9 | 104 (88.9%) | 65.0 ± 38.9 |
1000 | 1000 | 1025 | 1010.3 ± 7.6 | 92 (78.6%) | 46.6 ± 41.6 |
1200 | 1200 | 1216 | 1208.2 ± 6.1 | 69 (58.9%) | 30.9 ± 37.5 |
1400 | 1400 | 1421 | 1411.3 ± 7.2 | 51 (43.6%) | 15.1 ± 27.9 |
1600 | 1600 | 1620 | 1612.1 ± 7.7 | 26 (22.2%) | 6.2 ± 17.2 |
1800 | 1800 | 1822 | 1803.9 ± 7.3 | 7 (6.0%) | 1.4 ± 9.8 |