Table 4

Linear regression models for predicting disease activity using BASDAI or ASDAS

Response	Predictor	Estimate	SD	p Value	R²	N
Patient global score	BASDAI	0.88	0.04	<0.001	0.71	194
Patient global score	ASDAS-B	1.83	0.12	<0.001	0.59	194
Patient global score	ASDAS-C	1.90	0.11	<0.001	0.66	156
Physician global score	BASDAI	0.45	0.05	<0.001	0.27	191
Physician global score	ASDAS-B	0.98	0.12	<0.001	0.25	191
Physician global score	ASDAS-C	1.05	0.13	<0.001	0.29	154

ASDAS, Ankylosing Spondylitis Disease Activity Score; BASDAI, Bath Ankylosing Spondylitis Disease Activity Index.