Table 1 Interaural comparison of radiological variables in unilateral MD patients
Radiological variables | Affected ears (n=100) | Non-affected ears (n=100) | z/\({x}^{2}\) | p | |
|---|---|---|---|---|---|
MRI-VA visibility | Grade A | 11(11.0%) | 18(18.0%) | z=-2.234 | p=0.025 |
Grade B | 20(20.0%) | 25(25.0%) | |||
Grade C | 69(69.0%) | 57(57.0%) | |||
CT-VA visibility | Grade 0 | 72(72%) | 75(75.0%) | z=-0.655 | p=0.513 |
Grade I | 28(28.0%) | 25(25.0%) | |||
Grade II | 0(0.0%) | 0(0.0%) | |||
Type of CT-VA | funnel type | 17(17.0%) | 17(17.0%) | \({x}^{2}\)=6.604 | p=0.471 |
tubular type | 28(28.0%) | 31(31.0%) | |||
filiform type | 32(32.0%) | 38(38.0%) | |||
hollow type | 1(1.0%) | 1(1.0%) | |||
obliterated type | 22(22.0%) | 13(13.0%) | |||
Peri-VA pneumatization | Grade 1 | 20(20.0%) | 22(22.0%) | z=-0.499 | p=0.618 |
Grade 2 | 21(21.0%) | 20(20.0%) | |||
Grade 3 | 59(59.0%) | 58(58.0%) | |||