Table 8

Spearman correlation between Mander enthesis index, reduced Mander index, concise enthesis index with and without gradation versus measures of disease activity

	Mander enthesis index	Mander enthesis index without gradation	Reduced Mander enthesis index	Reduced Mander enthesis index without gradation	Concise enthesis index with gradation	Concise enthesis index without gradation (MASES)	Major enthesis index without gradation
*Correlation coefficients significant at the p<0.01 level; †correlation coefficients not significant. BASDAI, Bath Ankylosing Spondylitis Disease Activity; VAS, visual analogue scale; CRP, C reactive protein; ESR, erythrocyte sedimentation rate; MASES, Maastricht Ankylosing Spondylitis Enthesis Score.
BASDAI*	0.59	0.58	0.57	0.56	0.54	0.53	0.49
Enthesis question BASDAI*	0.57	0.56	0.55	0.54	0.53	0.51	0.41
VAS doctor*	0.30	0.27	0.29	0.27	0.24	0.22	0.21
VAS patient*	0.47	0.45	0.48	0.47	0.45	0.44	0.37
CRP†	0.07	0.06	0.06	0.05	0.05	0.04	0.02
ESR†	0.06	0.07	0.07	0.07	0.05	0.04	0.07