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Table 1 Baseline characteristics of delirious and non-delirious patients

From: Correction to: Postoperative delirium in critically ill surgical patients: incidence, risk factors, and predictive scores

Variables

Delirium (n = 61)

No delirium (n = 189)

P-value

Demographic data

 Age (years)

72.7 ± 11.4

61.4 ± 16.8

< 0.001

  ≥ 60

55 (90.2%)

114 (60.3%)

< 0.001

 Gender

  Male

31 (50.8%)

90 (47.6%)

0.768

 Comorbidities

  Hypertension

50 (81.9%)

105 (55.6%)

< 0.001

  DM

26 (42.6%)

37 (19.6%)

0.001

  Cardiac disease

21 (34.4%)

43 (22.8%)

0.091

  Previous stroke

15 (24.6%)

18 (9.5%)

0.004

  Modified IQCODE score ≥ 3.42

10 (16.39%)

6 (3.2%)

0.001

  ESRD or CKD stage 4–5

10 (16.4%)

24 (12.7%)

0.520

  Cirrhosis

3 (4.9%)

9 (4.8%)

1.000

 Smoking history pack year

41.9 ± 27.1

24.4 ± 21.6

0.155

  ≥ 30 pack year

10 (16.4%)

20 (10.6%)

0.259

 Current alcohol consumption

6 (9.8%)

11 (5.8%)

0.378

 Coma

17 (27.9%)

16 (8.5%)

< 0.001

Intraoperative data

 Emergency Surgery

34 (55.74%)

74 (39.2%)

0.026

 Vascular surgery

20 (32.8%)

32 (16.9%)

0.011

 Non-vascular surgery

  Intra-abdominal

23 (37.7%)

65 (34.4%)

0.646

  Orthopedic

3 (4.9%)

26 (13.8%)

0.068

  Gynecological

3 (4.9%)

23 (12.2%)

0.147

  Other

12 (19.7%)

43 (22.8%)

0.723

 Operation time

193.5 ± 162.6

234.8 ± 178.9

0.111

 Intraoperative blood loss (mL)

250 (60–700)

400 (100–1400)

0.079

 Intraoperative PRC transfusion (mL)

264 (0–663)

0 (0–1023)

0.865

 Hypoxia

3 (4.9%)

7 (3.7%)

0.710

 Intraoperative hypotension

50 (82.0%)

146 (77.3%)

0.480

ICU admission

 Hemoglobin (mg/dL)

10.5 ± 2.5

10.9 ± 2.1

0.156

 Blood sugar at admission (mg/dL)

155.6 ± 42.1

152.2 ± 46.3

0.611

 Serum albumin (mg/dL)

2.7 ± 0.6

2.8 ± 0.7

0.168

 BUN/Cr ratio > 20

22 (36.1%)

48 (25.4%)

0.139

 Sepsis

24 (39.3%)

37 (19.6%)

0.003

 APACHE II score

12.1 ± 4.8

8.3 ± 3.9

< 0.001

 SOFA score

5.8 ± 3.4

3.4 ± 2.7

< 0.001

 Mechanical ventilation

54 (88.5%)

131 (69.2%)

0.002

Medication

 Preoperative-Benzodiazepine

8 (13.1%)

10 (5.3%)

0.049

 Inraoperative-Benzodiazepine

32 (53.3%)

93 (47.7%)

0.658

 Benzodiazepine (Pre and Postoperative)

27 (44.3%)

36 (19.1%)

< 0.001

 Preoperative-Opioid

5 (8.2%)

18 (9.5%)

1.000

 Intraoperative-Opioid

58 (96.7%)

176 (94.1%)

0.740

 Opioid (Pre and Postoperative)

59 (96.7%)

184 (97.4%)

1.000

 Postoperative-Propofol use

20 (32.8)

31 (16.4%)

0.010

  1. ESRD End stage renal disease, CKD Chronic kidney disease, DM Diabetes mellitus, Modified IQCODE score Modified informant questionnaire on cognitive decline in the elderly score, BUN Blood urea nitrogen, Cr Creatinine, APACHE II score Acute physiology and chronic health evaluation II score, SOFA score Sequential organ failure assessment score
  2. Data presented as mean ± SD or median (IQR) or N (%)