Table 1 DAS28 remission in case of DAS remission in 620 observations in 156 patients who participated in the COBRA trial.

		DAS remission present		DAS remission absent		Total
DAS28 remission present		77		87		164
DAS28 remission absent		4		452		456
Total		81		539		620

Sensitivity = 95%, specificity = 84%, positive predictive value = 47%;

negative predictive value = 99%.

DAS, disease activity score; DAS28, 28 joint disease activity score.