Table 5

Prognostic tests for predicting failure to respond after start methotrexate according to ACR recommendations and cJADAS scores in patients with oligoarticular and polyarticular juvenile idiopathic arthritis

3 monthsOligoarticular patientsPolyarticular patients
RuleAccuracy (%)Sensitivity (%)Specificity (%)Sum (%)Accuracy (%)Sensitivity (%)Specificity (%)Sum (%)
ACR escalation62.510.086.496.457.186.744.4131.1
 cJADAS >420.071.455.6127.047.881.330.0111.3
 cJADAS >570.871.470.6142.058.181.344.4125.7
 cJADAS >668.233.381.3114.664.381.353.8135.1
 cJADAS >772.733.387.5120.875.681.372.0153.3
 cJADAS >877.333.393.8127.175.073.376.0149.3
Correctly not escalated75.070.5