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Table 3 Sensitivity and specificity of the response scores compared with DAS28 set at equal specificity

From: DAS28 best reflects the physician's clinical judgment of response to infliximab therapy in rheumatoid arthritis patients: validation of the DAS28 score in patients under infliximab treatment

 

Sensitivity and specificity of the different response scores

Sensitivity of DAS28 at the same specificity level

 

Specificity (%)

Sensitivity (%)

Sensitivity (%)

According DAS28 score

No moderate DAS response

83.3

46.7

67.5

4.8

No good DAS response

42.4

96.3

97.3

3.1

No ACR20 response

64.2

69.6

80.0

4.0

No ACR50 response

33.6

85.9

97.5

2.9

  1. DAS, disease activity score.