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Table 1 Venous sinus measurements in control group and those at risk for IIH

From: The incidence of obesity, venous sinus stenosis and cerebral hyperaemia in children referred for MRI to rule out idiopathic intracranial hypertension at a tertiary referral hospital: a 10 year review

  Age
years
SSS Hd
mm
TS Ed
mm
SS Ed
mm
DSS Ed
mm
Control
 Mean 9.7 6.8 8.1 8.3 8.0
 SD 3.9 0.9 1.1 1.4 1.5
 n = 92      
At risk for IIH
 Mean 9.5 6.5 7.4 7.7 8.2
 SD 3.9 0.9 1.3 1.0 1.8
 n = 42      
 t-test 0.82 0.07 0.005* 0.0009* 0.71
  1. DSS distal sigmoid sinus, Ed effective diameter, Hd hydraulic diameter, mm millimeters, SD standard deviation, SSS superior sagittal sinus, SS sigmoid sinus, TS transverse sinus; *, significance < 0.05