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Table 1 (abstract P67). Comparison of the sensitivity and specificity of the ILAR criteria, ASAS classification criteria for axial and peripheral SpA at diagnosis and follow-up

From: Proceedings of the 27th European Paediatric Rheumatology Congress (PReS 2021)

Criteria set

Sensitivity at diagnosis

(%)

Specificity at diagnosis

(%)

Sensitivity at follow-up

(%)

Specificity at follow-up

(%)

ILAR classification criteria

73.1

98.6

83.3

98.6

ASAS classification criteria for axial SpA

21.3

99.1

35.1

99.1

ASAS classification criteria for peripheral SpA

85.1

90.9

92.5

90.9