Appendix.
Types of articles for various dizziness topics (Total 1244)
| Clinical trials (n= 115) | Cohort studies (n= 44) | Case-control studies (n= 54) | Cross-sectional studies (N=20) | Case report & case series (n=512) | Study of tests (n=192) | Expert opinion (n=285) | Meta-analysis & systematic review (n= 14) | Guidelines (n= 8) | |
|---|---|---|---|---|---|---|---|---|---|
| Clinical Topic | |||||||||
| Peripheral vestibular | |||||||||
| BPPV | 44 | 14 | 14 | 1 | 70 | 17 | 19 | 3 | – |
| Vestibular neuritis | 6 | 6 | 4 | – | 11 | 7 | 6 | – | – |
| Meniere’s disease | 6 | 5 | 5 | 2 | 19 | 16 | 18 | 3 | 1 |
| Acoustic Neuroma | – | 1 | – | – | 28 | 2 | 1 | – | 1 |
| Vestibular fistula | 1 | 2 | – | – | 36 | 4 | 10 | – | |
| Other PV | 16 | 4 | 6 | – | 84 | 37 | 26 | – | 1 |
| Central nervous system | |||||||||
| Cerebrovascular | 3 | 1 | 6 | 3 | 87 | 10 | 7 | 1 | 1 |
| CNS tumor | – | – | – | – | 13 | – | – | – | – |
| Multiple sclerosis | – | – | – | – | 9 | 2 | 4 | – | – |
| Ataxia syndrome | – | – | – | – | 14 | 2 | 3 | – | – |
| Chiari malformation | – | – | – | – | 7 | – | – | – | – |
| Other CNS | 1 | 1 | 1 | – | 31 | 4 | 4 | – | – |
| Migraine | 2 | 3 | 4 | 1 | 30 | 6 | 12 | – | – |
| General medical | – | 1 | 7 | 2 | 42 | 1 | 9 | – | – |
| Psychiatric | 2 | 4 | 7 | 1 | 7 | 2 | 8 | – | – |
| Cervicogenic | 2 | – | – | – | – | 2 | 3 | 1 | – |
| Trauma | 2 | 1 | 2 | – | 14 | 3 | 4 | – | – |
| General Presentations | 38 | 13 | 16 | 13 | 116 | 94 | 159 | 4 | 1 |
| Tests | |||||||||
| Vestibular tests | 132 | 1 | 2 | ||||||
| Audiogram | 4 | – | – | ||||||
| Imaging | 20 | 1 | 1 | ||||||
| History & physical exam | 26 | – | – | ||||||
| Other tests | 17 | – | – |
BPPV = benign paroxysmal positional vertigo; PV = peripheral vestibular; CNS = central nervous system