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. 2022 Apr;10(8):472. doi: 10.21037/atm-22-1480

Figure 2.

Figure 2

The average percentage of cells polarized in random directions in gradients of fMLP. The polarization dynamics of the peripheral neutrophils from the COPD patients in the fMLP concentration gradient according to disease severity. The SEM is given as the standard error bar. Significant differences from the COPD stage I. **, P<0.01. The neutrophils of the COPD stage II (29.93%±13.39%) and III (27.85%±9.41%) patients moved with a significantly more percentage than those of the HC (16.85%±5.52%; P<0.01) and HS (16.72%±9.16%; P<0.01) subjects. fMLP, N-formyl-methionine-leucine-phenylalanine; COPD, chronic obstructive pulmonary disease; HC, healthy control; HS, healthy smoker. SEM, Standard error of mean.