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Table 3 Aetiologies of dizziness and vertigo (all studies)

From: Prevalence, aetiologies and prognosis of the symptom dizziness in primary care – a systematic review

Dizziness
Aetiology Number of studies Number of patients Results (range) Heterogeneity I2 (95% CI)/prediction interval
Otologic peripher 10 10,658 5,4-42,1% 95.5% (93.4-96.9%) 7.7-51.6%
BPPV (subcategory) 6 7956 4,3-39,5% 93.2% (88.0-96.2%) 0.5-73.8%
Vestibular neuritis (subcategory) 6 7956 0,6-24,0% 98.4% (97.6-98.9%) 0.0-98.6%
Ménière’s disease (subcategory) 4 7802 1,4-2,7% 0.0% (0.0-0.0%) 1.4-2.8%
Cardiovascular 8 3011 3,8-56,8% 98.5% (98.0-98.9%) 0.4-89.1%
Neurological central 9 10,620 1,4-11,4% 78.7% (60.0-88.7%) 2.1-12.7%
Psychogenic 8 3016 1,8-21,6% 88.5% (79.7-93.5%) 1.1-31.2%
No specific diagnosis 11 10,713 0,0-80,2% 99.4% (99.3-99.5%) 1.6-90.5%
Vertigo
Aetiology Number of studies Number of patients Results (range) Heterogeneity I2 /prediction interval
Otologic peripher 3 383 27.3-92.9% 96.2% (91.8-98.2%) 0.0-100.0%
BPPV (subcategory) 3 383 4.9-42.9% 96.4% (92.5-98.3%) 0.0-100.0%
Vestibular neuritis (subcategory) 3 383 8.4-40.0% 94.3% (86.8-97.6%) 0.0-100.0%
Ménière’s disease(subcategory) 3 383 4.2-10.0% 43.5% (0.0-83.1%) 0.0-94.1%
Cardiovascular 0    
Neurological central 1 70 4.3% n/a
Psychogenic 1 70 1.4% n/a
No specific diagnosis 3 383 1.4-72.7% 92.3% (80.7-96.9%) 0.0-100.0%