Table 2.

Agreement between MDA or mMDA, with DAS28 and DAPSA

Diagnostic criteria definitions	DAS28 remission (<2.6)	DAS28 deep remission (<1.98)	DAPSA remission (≤4)
MDA
Sensitivity	70.7%	82.1%	100.0%
Specificity	92.3%	85.7%	85.9%
Positive predictive value	82.1%	60.4%	56.3%
Negative predictive value	86.4%	94.7%	100.0%
Kappa agreement (K)	0.653	0.598	0.652
mMDA
Sensitivity	57.7%	71.8%	87.0%
Specificity	94.8%	90.4%	89.9%
Positive predictive value	84.5%	66.7%	61.0%
Negative predictive value	81.9%	92.3%	97.5%
Kappa agreement (K)	0.570	0.605	0.655

DAPSA, Disease Activity in PSoriatic Arthritis; DAS28, Disease Activity Score using 28 joints; MDA, minimal disease activity; mMDA, modified MDA.