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. 2022 Sep 10;129(5):726–733. doi: 10.1016/j.bja.2022.07.048

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© 2022 The Authors

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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Fig 2 — Relationships of CSF Pco₂ and SID. Data are represented as scatter plot, linear regression (dashed line), and 95% confidence interval (continuous line) of CSF Pco₂ and CSF SID in the two populations. White dots represent the pregnant group (r=0.64; P=0.002) and black dots the control group (P=0.48). Pco₂, partial pressure of carbon dioxide; SID, strong ion difference.