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Table 1: Demographics and clinical presentation
  Overall Nonpseudophlebitic Pseudophlebitic P
No. 201 143 (71.1) 58 (28.9) –
Mean age (SD (yr) 59.1 (13.7) 60.5 (13.5) 58.4 (13.8) .32
Sex 
 Male (No.) (%) 104 (51.7) 64 (44.8) 40 (69.0) 
 Female (No.) (%) 97 (48.3) 79 (55.2) 18 (31.0) .002
Clinical presentation (No.) (%) 
 Hemorrhage 25 (12.5) 12 (8.4) 13 (22.8) .005
 Incidental 22 (11.0) 18 (12.6) 4 (6.9) .24
 Headache 23 (11.4) 15 (10.5) 8 (13.8) .51
 Visual/ocular symptoms 37 (18.4) 29 (20.3) 8 (13.8) .28
 Tinnitus/bruit 86 (42.8) 77 (53.9) 9 (15.5) <.0001
 Cognitive changes 6 (3.0) 2 (1.4) 4 (6.9) .04
 Gait changes/ataxia 4 (2.0) 0 (0.0) 4 (6.0) .002
 Hydrocephalus 1 (0.5) 0 (0.0) 1 (1.7) .11
 Seizure 8 (4.0) 3 (2.1) 5 (8.6) .03
 Myelopathy 7 (3.5) 3 (2.1) 4 (6.0) .12
 Other 17 (8.5) 6 (4.2) 11 (18.9) .0001
Note:—SD indicates standard deviation; yr, year; No., number; %, percentage.