NKCC1 in capillaries NKCC1 in venules AQP1 in  capillaries AQP1 in venules
Fetal dura 1+ in 2/9 0 2+ 9/9 2+ in 9/9
  2+ in 7/9      
Infant dura 1+ in 1/6 0   in 5/6 2+  in 6/6 2+  in 6/6
  2+ in 5/6 1+ in 1/6    
Adult dura 1+ in 4/11 0 in 11/11 0   in 1/11 0   in 4/11
  2+ in 7/11   1+ in 1/11 1+ in 1/11
      2+ in 9/11 2+ in 6/11
Aged dura 0   in 2/16 0  in 13/16 2+ in 16/16 0 in 4/16
  1+ in  9/16 1+ in 3/16   1 + in 4/16
  2+ in 5/16     2+ in 8/16
Chronic subdural hematomas 1+ in 1/14   1+ in 5/15  
  2+ in 14/15 n.a. 2+ in 10/15 n.a.
n.a.=not applicable
Table 2: Summary of NKCC1 and AQP1 in normal dural blood vessels and chronic subdural hematoma capillaries.