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Letters to the Editor

Calprotectin in EDTA blood as a measure of blood neutrophils

, , , &
Pages 601-603 | Received 07 Oct 2022, Accepted 15 Oct 2022, Published online: 27 Oct 2022

Figures & data

Figure 1. B-neutrophils (y) and b-calprotectin (x) in 124 routine EDTA blood samples. Both axes are logarithmic. The lower limit of the measuring range of b-calprotectin is indicated by a black vertical line.

Figure 1. B-neutrophils (y) and b-calprotectin (x) in 124 routine EDTA blood samples. Both axes are logarithmic. The lower limit of the measuring range of b-calprotectin is indicated by a black vertical line.

Figure 2. B-neutrophils (y) and b-calprotectin (x) in 36 routine EDTA blood samples with b-neutrophil <1.5 × 109/L. The regression line and the 99% prediction interval is calculated from the 33 data pairs with b-calprotectin > 4 mg/L (lower limit of the measuring range [black vertical line]). The limit of b-neutrophil equal to 1.0 × 109/L is indicated by a red horizontal line.

Figure 2. B-neutrophils (y) and b-calprotectin (x) in 36 routine EDTA blood samples with b-neutrophil <1.5 × 109/L. The regression line and the 99% prediction interval is calculated from the 33 data pairs with b-calprotectin > 4 mg/L (lower limit of the measuring range [black vertical line]). The limit of b-neutrophil equal to 1.0 × 109/L is indicated by a red horizontal line.