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Table 1 Headache characteristics (n = 136 patients)

From: Headache in cerebral venous thrombosis: incidence, pattern and location in 200 consecutive patients

Duration

 Acute (1–3 days)

81 patients (60%)

 Sub-acute (4–14 days)

33 patients (24%)

 Chronic (more than 14 days)

14 patients (10%)

 Unclear

8 patients (6%)

Quality (reported in 72 patients)

 Throbbing

12 (9%)

 Band like

27 (20%)

 Thunderclap

7 (5%)

 Other

26 (20%)

Location (reported in 101 patients)

 Unilateral

48 (37%)

 Localized

25 (19%)

 Diffuse

28 (20%)