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Fig. 5 | Fluids and Barriers of the CNS

Fig. 5

From: Cerebrospinal fluid osmolality cannot predict development or surgical outcome of idiopathic normal pressure hydrocephalus

Fig. 5

CSF Osmolality in shunt responsive versus non-responsive iNPH patients. a The osmolality of ventricular CSF in iNPH patients responsive to shunt surgery (n = 10) versus those that were non-responders (n = 10). b The osmolality of lumbar CSF in iNPH patients responsive to shunt surgery (n = 10) versus those that were non-responders (n = 10). The data were evaluated for statistical significance with the Mann–Whitney test. c The osmolality of iNPH patient lumbar CSF as a function of the outflow resistance measured during diagnostic workup, n = 10 of each patient group. NS not significant

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