Table 3 Longitudinal analysis investigating the relationship between DAS remission and radiographic damage in patients with rheumatoid arthritis, randomised to receive prednisolone or not

	Wald χ²	p Value
Time	59.4	<0.001
Treatment (prednisolone versus no prednisolone)	0.7	0.411
Time by treatment interaction	6.3	0.178
Sharp score at baseline	109.3	<0.001
DAS28 at baseline	0.1	0.730
DAS remission during follow-up	10.5	<0.001

DAS28, 28-joint count disease activity score.