	ESR	CRP	BASDAI	ASDAS-ESR	ASDAS-CRP

PDW	0.084	0.043	0.390*	0.287^#	0.295*
PLT count	0.193	0.346*	−0.060	0.117	0.084

PDW, platelet distribution width; ESR, erythrocyte sedimentation rate; CRP, C-reactive protein; BASDAI, Bath Ankylosing Spondylitis Disease Activity Index; ASDAS, Ankylosing Spondylitis Disease Activity Score. r is determined by Spearman's rank correlation test Bold characters indicates a statistically significant difference with a p-value <0.05. ^#Statistical significance p<0.05. *Statistical significance p<0.01.