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Original Articles

Using blood calprotectin as a measure of blood neutrophils

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Pages 303-306 | Received 22 Dec 2020, Accepted 13 Mar 2021, Published online: 31 Mar 2021

Figures & data

Figure 1. Cell counts of leukocytes (total) and neutrophils in blood plotted against the whole blood calprotectin concentration in 77 patients. Both axes are logarithmic.

Figure 1. Cell counts of leukocytes (total) and neutrophils in blood plotted against the whole blood calprotectin concentration in 77 patients. Both axes are logarithmic.

Figure 2. Cell counts of neutrophils in blood plotted against the whole blood calprotectin concentration in 77 patients. One patient with an exceptionally low whole blood calprotectin concentration per neutrophil (12 pg) is seen at the top. The neutrophil count as a function of the whole blood calprotectin concentration is shown, along with the 95% prediction interval (for new observations). The horizontal line indicates a neutrophil count of 1 × 109/L.

Figure 2. Cell counts of neutrophils in blood plotted against the whole blood calprotectin concentration in 77 patients. One patient with an exceptionally low whole blood calprotectin concentration per neutrophil (12 pg) is seen at the top. The neutrophil count as a function of the whole blood calprotectin concentration is shown, along with the 95% prediction interval (for new observations). The horizontal line indicates a neutrophil count of 1 × 109/L.