Hazard Ratios of Mortality in Participants for Different Dizziness Subtypes
| Dizziness Subtype | No. of Persons | No. of Deaths | Person Years | Incidence Rate (95% CI) per 1,000 Person Years | Compared With Participants Without This Subtype | |
|---|---|---|---|---|---|---|
| Unadjusted HR (95% CI) | Adjusted HR (95% CI)a | |||||
| Vertigo | 171 | 58 | 1,213 | 47.81 (36.30-61.80) | 0.64 (0.47-0.88) | 0.62 (0.40-0.96) |
| Presyncope | 288 | 126 | 1,903 | 66.21 (55.15-78.83) | 1.36 (0.96-1.92) | 1.23 (0.82-1.85) |
| Disequilibrium | 161 | 65 | 1,039 | 62.55 (48.27-79.72) | 1.09 (0.80-1.49) | 1.26 (0.85-1.87) |
| Other dizziness | 7 | 2 | 48 | 41.70 (5.50-150.63) | 0.67 (0.17-2.71) | 0.76 (0.18-3.18) |
HR = hazard ratio; PRIME-MD PHQ = Primary Care Evaluation of Mental Disorders Patient Health Questionnaire.
↵a Adjusted for age, sex, ethnicity, level of education, preexistent cardiovascular disease and/or stroke, diabetes, polypharmacy (defined as >5 types of daily medication), an anxiety or depressive disorder according to the PRIME-MD PHQ, and the number of assigned dizziness subtypes.