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The Bland–Altman plot of group 2 (nonanemic blood samples). Additional information: upper limit was 9.4 (95% CI: 7.1 to 11.6) (green); mean difference was 1.8 (95% CI: 3.2 to −0.5) (blue); lower limit was 13.0 (95% CI: 15.3 to −10.8) (red).
