Table 6 Characteristics at baseline after PSM: sample of dizziness or vertigo, with the complication of cerebral infarction
Variable | Gastrodin injection (N = 186) | Extract of Ginkgo Biloba Leaves injection (N = 186) | P | SMD |
|---|---|---|---|---|
Region, (n, %) |  |  | 1 |  < 0.001 |
 Eastern | 90 (48.4) | 90 (48.4) |  |  |
 Central | 72 (38.7) | 72 (38.7) |  |  |
 Western | 15 (8.1) | 15 (8.1) |  |  |
 Northeast | 9 (4.8) | 9 (4.8) |  |  |
Hospital level, (n, %) |  |  | 1 |  < 0.001 |
 Tertiary | 185 (99.5) | 185 (99.5) |  |  |
 Secondary | 0 | 0 |  |  |
 Primary | 1 (0.5) | 1 (0.5) |  |  |
Hospital department, (n, %) |  |  | 1 |  < 0.001 |
 Neurology | 151 (81.2) | 151 (81.2) |  |  |
 E.N.T | 0 | 0 |  |  |
 Cardiovascular medicine | 0 | 0 |  |  |
 ICU | 0 | 0 |  |  |
 Others | 35 (18.8) | 35 (18.8) |  |  |
Age (y), (n, %) |  |  | 1 |  < 0.001 |
 [18, 45] | 4 (2.2) | 4 (2.2) |  |  |
 [45,60] | 55 (29.6) | 55 (29.6) |  |  |
 [60,75] | 123 (66.1) | 123 (66.1) |  |  |
 ≥ 75 | 4 (2.2) | 4 (2.2) |  |  |
Gender (n, %) |  |  | 1 |  < 0.001 |
 Female | 97 (52.2) | 97 (52.2) |  |  |
 Male | 89 (47.8) | 89 (47.8) |  |  |