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Table 1 Initial setting of valves in the control group

From: Efficacy and safety of programmable compared with fixed anti-siphon devices for treating idiopathic normal-pressure hydrocephalus (iNPH) in adults – SYGRAVA: study protocol for a randomized trial

Valve type Setting mmH2O
PS Medical Strata II valve® Performance level 1.5 70
Codman CERTAS plus Programmable Valve® Setting 3 80