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Table 1 General data and intraoperative parameters in patients with or without post-operative complications

From: Tissue oxygen saturation changes and postoperative complications in cardiac surgery: a prospective observational study

 

No Complications (n = 51)

Complications

(n = 39)

p

Age (years)

72 [63–76]

70 [65–75]

0.654

Gender (n [% of males])

30 [59%]

29 [74%]

0.174

Comorbidities (n [%])

Arterial hypertension

42 [82%]

27 [69%]

0.208

Dyslipidemia

19 [37%]

12 [31%]

0.655

Coronary Artery Disease

9 [18%]

12 [31%]

0.208

Diabetes mellitus

13 [25%]

6 [15%]

0.303

Chronic cardiac failure

9 [18%]

3 [8%]

0.219

Chronic renal failure

4 [8%]

8 [20%]

0.117

Chronic Obstructive Pulmonary Disease

5 [10%]

4 [10%]

0.999

Duration of ECC (min)

126 [96–167]

116 [81–166]

0.523

Duration of clamping (min)

100 [68–126]

95 [60–129]

0.631

Worst parameters during ECC

Min MAP (mmHg)

60 [50–65]

55 [50–61]

0.158

Min haematocrit (%)

25 [22–28]

24 [21–27]

0.771

Min haemoglobin (g/dL)

8.0 [7.0–8.8]

7.9 [6.8–9.0]

0.924

Min SvO2 (%)

82 [80–86]

81 [78–84]

0.227

Max lactate (mmol/L)

2.2 [1.5–3.1]

2.4 [1.9–3.3]

0.337

Max blood glucose (mg/dL)

168 [136–186]

156 [137–192]

0.918

  1. Data are expressed as median [1st-3rd quartiles] or numbers and percentages
  2. ECC extracorporeal circulation, MAP mean arterial pressure, SvO2 venous oxygen saturation