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Table 2 Demographic and clinical characteristics of study sample

From: The decision tool unipolar depression (DTUD): a new measure to facilitate the early identification of patients with major depressive disorder in need of highly specialized care

  IRR
samplea
Criterion validity samplea Total sample
N 54 132 243
Age, years
 Mean (SD) 41.48 (12.15) 44.67 (11.89) 44.22 (12.64)
 Range 23–66 22–69 18–78
Sex (n, %)
 Male 24 (44.44) 57 (43.18) 96 (39.51)
 Female 30 (55.66) 75 (56.82) 147 (60.49)
Duration of current MDD episode (n, %)
 Acute (≤12 months) 27 (50.00) 56 (42.42) 108 (44.45)
 Subacute (13–24 months) 7 (12.96) 13 (9.85) 28 (11.52)
 Chronic (>  24 months) 20 (37.04) 63 (47.73) 107 (44.03)
Symptom severity of current MDD episode (n, %)
 Mild 14 (25.93) 24 (18.18) 48 (19.75)
 Moderate 25 (46.30) 47 (35.61) 89 (36.63)
 Severe without psychosis 11 (20.37) 49 (37.12) 85 (34.98)
 Severe with psychosis 4 (7.41) 12 (9.09) 21 (8.64)
Total DTUD score
 Mean (SD) 3.85 (1.85) 3.65 (2.05) 3.70 (2.00)
 Range 0.00–8.00 0.00–9.00 0.00–9.00
Total MSM score
 Mean (SD) 6.02 (2.16) 6.98 (2.42) 6.71 (2.42)
 Range 3.00–13.00 3.00–13.00 3.00–13.00
Total DM-TRD score
 Mean (SD) 10.55 (3.13) 11.60 (3.97) 11.30 (3.67)
 Range 6.00–23.50 3.00–23.50 3.00–23.50
  1. a Part of total sample
  2. IRR Inter-Rater Reliability, DTUD Decision Tool Unipolar Depression, MSM Maudsley Staging Method, DM-TRD Dutch Measure for quantification of Treatment Resistance in Depression