Plasma brain natriuretic peptide, platelet parameters, and cardiopulmonary function in chronic obstructive pulmonary disease

Table 3 Comparison of the plasma brain natriuretic peptide and platelet parameters in the different pulmonary artery pressure subgroups

Index	Mild group (n = 16)	Moderate group (n = 23)	Severe group (n = 13)	F	P value
Plasma BNP (pg/L)	34.75 ± 11.14	61.18 ± 18.77a	88.72 ± 16.55a,c	39.806	0.000
PLT (×109/L)	138.39 ± 21.75	122.39 ± 28.66a	104.86 ± 19.65a,c	6.637	0.003
PDW (fL)	16.78 ± 2.69	19.22 ± 4.2a	24.47 ± 5.15a,c	13.149	0.000
PCT (%)	0.19 ± 0.04	0.17 ± 0.05	0.16 ± 0.03	1.319	0.277
MPV (fL)	14.70 ± 3.64	19.08 ± 4.12a	24.46 ± 3.29a,c	23.827	0.000

^aP < 0.05 vs the mild group.

^cP < 0.05 vs the moderate group.

BNP: Brain natriuretic peptide; PLT: Platelet count; PDW: Platelet distribution width; PCT: Plateletcrit; MPV: mean platelet volume.