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Table 3 Pre-, intra-, and postoperative variables

From: Acetylcholinesterase and butyrylcholinesterase in cardiosurgical patients with postoperative delirium

Variables

Delirum

n

M

SD

p value

Preoperative variables

 Age

No

157

64.0

12.8

0.005

Yes

60

69.2

10.1

 Hemoglobin (g/dl)

No

157

13.6

1.8

0.01

Yes

60

13.0

1.8

 Creatinine (μmol/l)

No

155

93.3

39.5

0.006

Yes

59

116.4

81.4

Intraoperative variables

 Duration of anesthesia (min)

No

157

323.3

77.3

0.08

Yes

60

344.7

89.1

 Duration of surgery (min)

No

151

252.4

74.3

0.07

Yes

60

274.0

88.7

 Time of bypass (min)

No

152

119.9

57.2

0.35

Yes

60

128.3

63.6

 NIRS (low)

No

157

69.5

8.2

0.001

Yes

60

65.4

7.6

 Nor-adrenaline

No

157

2.9

2.8

0.03

Yes

60

3.8

2.4

Postoperative variables

 Mechanical ventilation (min)

No

157

254.4

178.8

0.004

Yes

60

544.1

1200.2

 Stay on the ICU (days)

No

157

1.9

2.5

0.01

Yes

60

2.9

3.4

 Stay in hospital (days)

No

157

11.9

5.3

0.01

Yes

60

14.3

8.0

  1. Abbreviation: M mean, SD standard deviation, n number of patients, min minutes
  2. p < 0.05 is statistically significant