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. 2016 Apr;20(4):233–237. doi: 10.4103/0972-5229.180044

Figure 1.

Figure 1

Bland–Altman plot for Na+ results in serum and arterial sample. The bias in arterial Na+ measurement is −1.63 mmol/L. The 95% limit of agreement is 9.9 to −13.2 mmol/L. Na: Sodium