Subgroup analysis of VA size by hearing subtypes
| All patients | Progressive | Stable | ||
|---|---|---|---|---|
| Fluctuating | Nonfluctuating | Fluctuating | Nonfluctuating | |
| No. (ears) | 13 | 15 | 17 | 32 |
| Mean (mm) | 1.88 | 1.75 | 1.98 | 1.65 |
| SD (mm) | 0.61 | 0.4 | 0.67 | 0.56 |
| Subgroups | ||||
| IP-2 | ||||
| No. (ears) | 7 | 11 | 13 | 19 |
| Mean (mm) | 2.01 | 1.83 | 2.20 | 1.74 |
| SD (mm) | 0.62 | 0.36 | 0.60 | 0.62 |
| Pendred | ||||
| No. (ears) | 4 | 1 | N/A | N/A |
| Mean (mm) | 1.87 | 2.08 | N/A | N/A |
| SD (mm) | 0.35 | N/A | N/A | |
| Trauma | ||||
| No. (ears) | N/A | 3 | 2 | 2 |
| Mean (mm) | N/A | 2.15 | 2.08 | 1.43 |
| SD (mm) | N/A | 0.34 | 0.29 | 0.53 |
Note:—N/A indicates not applicable.