Table 3

Diagnostic criteria for the 2, 4, 6, 8, 10 and 11-item solutions for the three-class categorisation

Items, nVUSSensitivity (chronic status)Sensitivity (acute status)SpecificityYoudenEffect sizeCut-off
≤, ≥
20.410.800.470.230.251.020, 2
40.450.360.380.830.291.301, 3
60.470.420.530.570.271.501, 4
80.520.740.440.630.311.562, 4
100.520.480.500.820.401.563, 6
110.520.520.470.800.401.563, 6
  • VUS, volume under the surface.