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Table 1 Clinical and surgical summary of patients with and without delirium

From: Delirium in postoperative nonventilated intensive care patients: risk factors and outcomes

Variable

All patients (n = 465)

Delirium (n = 43)

Non-delirium (n = 422)

Gender (M:F)

1.1:1

  

Age, yr (IQR)

60 (47–74)

73 (60–82)

59 (46–73) *

Apache II score (IQR)

10 (6–13)

13 (11–17)

10 (6–13) *

APS (IQR)

7 (3–10)

9 (6–11)

7 (2–10) *

Patients comorbidities

   

Diabetes mellitus (%)

51 (11%)

5 (11%)

46 (9.9%)

Hypertension (%)

138 (29.7%)

12 (27%)

126 (27.1%)

Chronic pulmonary disease (%)

13 (2.8%)

0

13 (2.8%)

Cancer (%)

30 (6.45%)

3 (6.5%)

27 (5.8%)

Chronic renal disease (%)

6 (1.3%)

1 (2%)

5 (1.1%)

Dementia (%)

7 (1.5%)

5 (11%)

2 (0.4%) *

Site of surgery

   

Abdominal (%)

192 (41.3%)

15 (34.0%)

177 (42.0%)

Orthopedic (%)

96 (20.6%)

9 (20.9%)

87 (20.6%)

Head and neck (%)

38 (8.2%)

5 (11.6%)

33 (7.8%)

Urologic (%)

35 (7.5%)

2 (4.8%)

33 (7.8%)

Vascular (%)

35 (7.5%)

2 (4.8%)

33 (7.8%)

Thoracic (%)

24 (5.2%)

1 (2.4%)

23 (5.6%)

Cardiac (%)

19 (4.1%)

2 (4.8%)

17 (4%)

Trauma (%)

18 (3.9%)

7 (16.3%)

11 (2.6%) *

Gynecological (%)

8 (1.7%)

0

8 (1.9%)

Emergency surgery (%)

127 (27.3%)

34 (78%)

93 (22%) *

Outcomes

   

In-hospital length of stay (IQR)

7 (4–14)

26 (12–39)

6 (3–13) *

In-hospital mortality (%)

24 (5.2%)

7 (16.3%)

17 (4.0%) *

SICU length of stay (IQR)

2 (1–4)

6 (3–13)

2 (1–3) *

SICU mortality (%)

9 (1.7)

3 (6.5%)

6 (1.7%) *

  1. M/F, male/female; APS, Acute Physiologic Score; IQR, interquartile range. *p < 0.05.