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Table 2 Diagnostic utility of the different cut-offs

From: Diagnostic value of a 3-day course of prednisolone in patients with possible rheumatoid arthritis – the TryCort study

Cut-off of subjective improvement Pilot phase Validation phase
  Sensitivitya Specificity Sensitivity Specificity
20% 93.3% 37.5% 79.2% 41.7%
30% 80.0% 66.7% 76.6% 58.3%
40% 73.3% 73.3% 66.0% 81.3%
50% 60.0% 80.0% 57.5% 91.7%
  1. aBased on fourfold table
  2. The safety analysis showed that ten patients (30%) had adverse events (AEs), five of them with gastrointestinal complaints which were considered drug-related AEs. No serious AEs were recognized