Table 3.

Correlation of various parameters with high bath ankylosing spondylitis disease activity index score

	Rho	P
Duration of symptoms	0.47	0.001
CRP	0.41	0.01
ESR	0.38	0.03
Neutrophil/lymphocyte ratio	0.42	0.01
25 OH Vitamin D	−0.46	0.001

CRP=C-reactive protein, ESR=Erythrocyte sedimentation rate, HLA-B27=Human leukocyte antigen