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Table 1 Demographic and clinical data for 1111 patients recruited to the Thematically Organized Psychosis (TOP) Study

From: The quality of severe mental disorder diagnoses in a national health registry as compared to research diagnoses based on structured interview

TOP-diagnosis (DSM-IV) SCZ (n = 537) DEL (n = 48) SCA (n = 118) BIP (n = 408) test (p-value)a
% men 63.5 64.6 35.6 40.0 .0001b
Age (mean, SD) 30.3 9.4 35.4 9.8 32.3 11.2 34.5 12.1 .0001c
  Median IQR Median IQR Median IQR Median IQR  
Months of NPR data pre TOP 2 0–21 10 0–40 2 0–21 0 0–17 .0935
Months of NPR post TOP 69 49–39 61 31–74 66 37–99 71 54–96 .0365d
Any mental disorder
(ICD-10 F00–99)
52 21–106 27 10–79 46 16–90 26 5–61 .0001e
Severe mental disorder
(ICD-10 F20–F31, F32.3, F33.3)
45 13–97 16 4–45 37 10–76 14 1–45 .0001f
Hospitalizations 3 1–7 1 0–3 4 1–9 2 0–5 .0001g
Outpatient visits 72 34–137 48 28–90 74 32–115 43 16–84 .0001h
Bed-days 87 2–330 11 0–91 61 4–257 10 0–79 .0001i
  1. Abbreviations: DSM-IV Diagnostic and Statistical Manual of Mental Disorders, 4th edition, SCZ schizophrenia, DEL delusional disorder, SCA schizoaffective disorder, BIP bipolar disorder (type I, type II, and bipolar disorder not otherwise specified), SD standard deviation, IQR interquartile range, NPR Norwegian Patient Registry, ICD-10 International Classification of Diseases 10th revision
  2. a Kruskall-Wallis equality-of-populations rank test with Dunn’s post-hoc pairwise comparison
  3. b χ 2 = 50.8 (SCZ > SCA, p < 0.0001; SCZ > BIP, p < 0.0001; DEL > SCA, p = 0.0004; DEL > BIP, p = 0.0005)
  4. c χ 2 = 31.9 (DEL > SCZ, p = 0.0004; DEL > SCA, p = 0.02; BIP > SCZ, p < 0.0001; BIP > SCA, p = 0.03)
  5. d χ 2 = 8.5 (SCZ > DEL, p = 0.009; SCA > DEL, p = 0.01; BIP > DEL, p = 0.002)
  6. e χ 2 = 66.4 (SCZ > DEL, p = 0.002; SCZ > BIP, p < 0.0001; SCA > DEL, p = 0.0411; SCA > DEL, p = 0.0001)
  7. f χ 2 = 85.2 (SCZ > DEL, p = 0.0003; SCZ > BIP, p < 0.0001; SCA > DEL, p = 0.01; SCA > BIP, p < 0.0001)
  8. g χ 2 = 35.3 (SCZ > DEL, p = 0.0001; SCZ > BIP, p < 0.0001; SCA > DEL, p = 0.0001; SCA > BIP, p < 0.0001)
  9. h χ 2 = 64.9 (SCZ > DEL, p = 0.02; SCZ > BIP, p < 0.0001; SCA > DEL, p = 0.04; SCA > BIP, p < 0.0001)
  10. i χ 2 = 71.6 (SCZ > DEL, p = 0.0001; SCZ > BIP, p < 0.0001; SCA > DEL, p = 0.001; SCA > BIP, p < 0.0001)