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Table 1 Demographic data of the patient material

From: Cerebrospinal fluid pulse pressure amplitude during lumbar infusion in idiopathic normal pressure hydrocephalus can predict response to shunting

  All patients Shunt Group
   Non-Responders Responders
Number 62 10 35
Age (yrs) 72 (37 - 85) 68 (47 - 81) 72 (47 - 81)
Sex (F/M) 31/31 5/5 18/17
Clinical state    
   Duration of symptoms (yrs) 2.8 (0.3 - 10) 3 (1 - 10) 3 (1 - 8)
   NPH score (15-3) 9 (4 - 14) 11 (6 - 14) 9 (4 - 13)
Radiology    
   Evan's index 0.4 (0.3 - 0.5) 0.4 (0.3 - 0.5) 0.4 (0.3 - 0.5)