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Table 5 Clinical and demographic characteristics of the whole population and subgroups as determined by DSM-IV and DSM-5 delirium criteria

From: Concordance between DSM-IV and DSM-5 criteria for delirium diagnosis in a pooled database of 768 prospectively evaluated patients using the delirium rating scale-revised-98

  Whole group DSM-IV criteria Strict DSM-5 criteria Relaxed DSM-5 criteria
   Delirium No delirium Delirium No delirium Delirium No delirium
Number 768 510 258 158 610 466 302
Mean age a 67.4 ± 18.7 68.7 ± 18.2 64.6 ± 19.9 70.8 ± 16.9 66.5 ± 19.3 67.9 ± 18.5 67.3 ± 18.2
Sex (% male) 49 53 45 50 50 55 40
Frequency of comorbid dementia (%) b 28 30 25 28 30 24 37
Mean DRS-R98 total scores c 17.2 ± 9.7 22.6 ± 6.5 6.6 ± 4.9 25.9 ± 5.8 14.9 ± 9.2 23.5 ± 6.2 7.6 ± 5.1
  1. a P <0.01 for delirium versus non-delirium groups for DSM-IV and strict DSM-5 criteria; b P <0.001 for delirium versus non-delirium groups for relaxed DSM-5 criteria; c P <0.001 for delirium versus non-delirium groups for all criteria. DRS-R98 Revised Delirium Rating Scale - 1998 version, DSM-IV Diagnostic and Statistical Manual fourth edition, DSM-5 Diagnostic and Statistical Manual fifth edition.