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Table 2 Baseline characteristics specified per delirium subtype

From: Prognostic significance of delirium subtypes in critically ill medical and surgical patients: a secondary analysis of a prospective multicenter study

Characteristic

No delirium

n = 1183

Delirium subtypea

Hypoactive

n = 200

p valueb

Mixed

n = 149

p valuec

Age, years

64 (51–74)

65 (56–74.8)

0.085

69 (57–75)

0.004

Sex: male, n (%)

700 (59.2)

125 (62.5)

0.38

102 (68.5)

0.029

Admission diagnosisd

 Medical, n (%)

584 (51.4)

116 (63.4)

0.003

92 (67.2)

0.001

 Elective surgery, n (%)

403 (35.5)

30 (16.4)

0.001

15 (10.9)

0.001

 Emergency surgery, n (%)

149 (13)

37 (20.2)

0.010

30 (21.9)

0.005

APACHE IV scored,e

51 (37–70)

70 (53–91.5)

0.001

79 (63–98)

0.001

  1. Values are denoted as median (interquartile range) unless mentioned otherwise
  2. aHyperactive patients (n = 28) were excluded from the analysis, given its low incidence, precluding meaningful statistical analysis. For 4 patients delirium subtype was unknown
  3. bGroup differences between non-delirious patients and patients with the hypoactive subtype were tested with Mann–Whitney U tests (continuous variables) or χ2 tests (categorical variables)
  4. cGroup differences between non-delirious patients and patients with the mixed subtype were tested with Mann–Whitney U tests (continuous variables) or χ2 tests (categorical variables)
  5. dMissing data were present for some patients: ICU admission diagnosis 76 (5.0%); APACHE IV score 129 (8.4%)
  6. eAPACHE IV scores [20] range from 0 (best) to 286 (worst), based on the most abnormal values observed during 24 h following ICU admission
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Journal of Intensive Care

ISSN: 2052-0492