Variable |  | Favorable outcome |  | Poor outcome |  | t/χ2/Z |  | P value |
---|---|---|---|---|---|---|---|---|
 | n=102 |  | n=35 |  |  | |||
Age (years; mean ± SD) | 38.27 ± 15.07 |  | 43.57 ± 14.98 |  | -1.797 |  | 0.075 | |
Gender (n,%) | Â | Â | Â | Â | 0.882 | Â | 0.433 | |
 Male |  | 56 (54.9%) |  | 16 (45.7%) |  |  |  |  |
 Female |  | 46 (45.1%) |  | 19 (54.3%) |  |  |  |  |
Onset (n,%) | Â | Â | Â | Â | Â | 5.398 | Â | 0.067 |
 Acute |  | 5 (4.9%) |  | 6 (17.1%) |  |  |  |  |
 Subacute |  | 67 (65.7%) |  | 21 (60.0%) |  |  |  |  |
 Chronic |  | 30 (29.4%) |  | 8 (22.9%) |  |  |  |  |
Etiology and risk factors (n,%) | Â | Â | Â | Â | Â | Â | Â | |
 Oral contraceptives | 10 (9.8%) |  | 0 (0.0%) |  | 2.394 |  | 0.122 | |
 Pregnancy, abortion or puerperium | 12 (11.8%) |  | 7 (20.0%) |  | 0.870 |  | 0.351 | |
 Thrombophilia | 12 (11.8%) |  | 3 (8.6%) |  | 0.043 |  | 0.835 | |
 Hematological diseases | 7 (6.9%) |  | 2 (5.7%) |  | <0.001 |  | 1.000 | |
 Physical factors | 2 (2.0%) |  | 1 (2.9%) |  | <0.001 |  | 1.000 | |
Clinical manifestation (n,%) | Â | Â | Â | Â | Â | Â | ||
 Headache |  | 85 (83.3%) |  | 24 (68.6%) |  | 3.492 |  | 0.062 |
 Visual disturbance |  | 16 (15.7%) |  | 4 (11.4%) |  | 0.379 |  | 0.596 |
 Seizure |  | 20 (19.6%) |  | 12 (34.3%) |  | 3.136 |  | 0.104 |
 Sensory disorder | 3 (2.9%) |  | 2 (5.7%) |  | 0.570 |  | 0.602 | |
 Motor deficit |  | 14 (13.7%) |  | 8 (22.9%) |  | 1.612 |  | 0.204 |
 Aphasia |  | 3 (2.9%) |  | 1 (2.9%) |  | — |  | 1.000a |
 Mental disturbance | 3 (2.9%) |  | 2 (5.7%) |  | — |  | 0.602a | |
 Impaired consciousness | 5 (4.9%) |  | 8 (22.9%) |  | 7.803 |  | 0.005* | |
Brain lesion (n,%) | Â | Â | Â | Â | Â | Â | <0.001*a | |
 Cerebral hemorrhage | 29 (28.4%) |  | 12 (34.3%) |  |  |  |  | |
 Subarachnoid hemorrhage | 12 (11.8%) |  | 2 (5.7%) |  |  |  |  | |
 Cerebral infarction | 26 (25.4%) |  | 12 (34.3%) |  |  |  |  | |
 Hemorrhagic infarction | 2 (2.0%) |  | 7 (20.0%) |  |  |  |  | |
 No lesion | 33 (32.4%) |  | 2 (5.7%) |  |  |  |  | |
Number of sinuses involved (n,%) | Â | Â | Â | 1.996 | Â | 0.591 | ||
 1 sinus |  | 32 (31.4%) |  | 10 (28.6%) |  |  |  |  |
 2 sinuses |  | 33 (32.4%) |  | 12 (34.3%) |  |  |  |  |
 3 sinuses |  | 25 (24.5%) |  | 6 (17.1%) |  |  |  |  |
 More than 3 sinuses | 12 (11.8%) |  | 7 (20.0%) |  |  |  |  | |
Localization of thrombus (n,%) | Â | Â | Â | Â | Â | Â | ||
 Superior sagittal sinus | 47 (46.1%) |  | 22 (62.9%) |  | 2.935 |  | 0.117 | |
 Inferior sagittal sinus | 7 (6.9%) |  | 5 (14.3%) |  | 0.988 |  | 0.320 | |
 Transverse sinus | 74 (72.5%) |  | 23 (65.9%) |  | 0.589 |  | 0.519 | |
 Sigmoid sinus | 61 (59.8%) |  | 19 (54.3%) |  | 0.327 |  | 0.691 | |
 Straight sinus |  | 13 (12.7%) |  | 9 (25.7%) |  | 3.252 |  | 0.107 |
 Jugular vein |  | 2 (2.0%) |  | 1 (2.9%) |  | — |  | 1.000a |
 Cortical veins | 1 (1.0%) |  | 1 (2.9%) |  | — |  | 0.447a |