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. 2022 Feb 23;37(1):102–110. doi: 10.1007/s12028-022-01450-1

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© The Author(s) 2022

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Fig. 2 — Scatter plot graph of CSF SID and arterial PCO₂ in patients with SAH. Scatter Plot representing the association between CSF SID and arterial PCO₂ in patients with SAH. Linear regression model (dashed line) is represented with 95% confidence interval. Equation of the linear model: Arterial PCO₂ = 1.84 × CSF SID − 5.7. CSF cerebrospinal fluid, PCO₂ partial pressure of carbon dioxide, SAH aneurismal subarachnoid hemorrhage, SID strong ion difference