Table 5. Comparisons in Physical Exam Findings, Auditory Tests Results and Endolymphatic Hydrops Between MD and VM.
| Findings (unit) | Article | Criteria | MD | VM | P-value |
|---|---|---|---|---|---|
| Abnormal head-shaking nystagmus (%) | Neff et al [16] | Unofficial | 62 | 15 | < 0.0001 |
| Shin et al [21] | 71 | 50 | < 0.05 | ||
| Abnormal head-thrust (%) | Neff et al [16] | 37 | 3 | < 0.0001 | |
| Abnormal vibration induced nystagmus (%) | Neff et al [16] | 60 | 12 | < 0.0001 | |
| Shin et al [21] | 42 | 32 | < 0.05 | ||
| Abnormal smooth pursuit (%) | Neff et al [16] | 5 | 8 | 0.09 | |
| Abnormal saccades (%) | 5 | 0 | 0.46 | ||
| Initial PTA ≥ 25 dB (%) | Neff et al [16] | Unofficial | 83 | 7 | 0.0011 |
| Worst PTA ≥ 25 dB (%) | 100 | 9 | < 0.0001 | ||
| Initial discrimination ≥ 25 dB (%) | 68 | 2 | < 0.0001 | ||
| Change in discrimination (%/month) | 86 | 2 | < 0.0001 | ||
| Initial hearing class B-D (%) | 71 | 5 | < 0.0001 | ||
| Worst hearing class B-D (%) | 95 | 6 | < 0.0001 | ||
| Low tone hearing loss pattern (%) | 40 | 0 | < 0.0001 | ||
| PTA for dMD vs. dVM (dB) | Martin-Sanz et al [20] | Official | Nil | Nil | > 0.05 |
| PTA for pMD vs. pVM (dB) | 35 | 16 | D | ||
| Significant vestibular ELH (%) | Nakada et al [22] | Official | 79 | 14 | < 0.01 |
| Significant Cochlear ELH (%) | 30 | 0 | < 0.05 | ||
| ELH on ECOG (%) (SP/AP amplitude ratio) | Martin-Sanz et al [20] | 82 | 24 | < 0.05 |
MD: Meniere’s disease; VM: vestibular Migraine; dMD: definite Meniere’s disease; dVM: definite vestibular migraine; pMD: probable Meniere’s disease; pVM: probable vestibular migraine; PTA: pure tone average; ELH: endolymphatic hydrops; ECOG: electrocochleography; dB: decibels; Nil: data not mentioned; D: difference noted but no P-value given; official: International Headache Society and Barany Society criteria (2012); unofficial: Neuhauser criteria (2001). Hearing class according to AAO-HNS hearing preservation reporting guidelines (view Table 7). SP: summating potential; AP: action potential.