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. 2015 Apr 7;10(4):e0122383. doi: 10.1371/journal.pone.0122383

Fig 2. Potassium scatter plot with Deming fit.

Fig 2

Concordance plot shows agreement between laboratory- and ABG-measured potassium (in mmol/L). The solid line indicates the correlation coefficient (r = 0.74). The brown line indicates the 95%CI of correlation coefficient (0.67 to 0.8). The orange line indicates the 95%LOA.