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Table 1 Characteristics of the study population

From: Continuous field flooding versus final one-shot CO2 insufflation in minimally invasive mitral valve repair

 

All

(n = 100)

Continuous CO2

(n = 50)

One-shot CO2

(n = 50)

P-value

Age (years)

66 (62–76)

65 (62–78)

69 (67–79)

< 0.001

Male sex

52.5%

43.9%

38.7%

< 0.001

Body mass index (kg/m2)

25.8 (22.2–28.8)

26.8 (23.4–29.0)

24.3 (21.7–28.4)

0.191

Arterial hypertension

32.2%

33.3%

36.1%

0.789

Diabetes mellitus

    

Oral antidiabetic drugs

8.9%

7.2%

5.5%

0.006

Insulin

2.3%

2.8%

2.6%

0.530

Hypercholesterolemia

77.4%

38.1%

39.3%

0.899

Renal dysfunction*

1.4%

2.3%

2.1%

0.254

Respiratory or lung disease

2.1%

2.3%

1.9%

0.187

Previous disabling stroke

1.5%

1.5%

1.3%

0.687

History of cancer

1.4%

1.9%

2.5%

0.030

Atrial fibrillation

9.4%

8.3%

11.2%

< 0.001

Peripheral vascular disease

1.8%

1.6%

1.9%

0.556

Coronary artery disease

0.9%

0.8%

1.1%

0.81

LVEF

   

0.347

>50%

93.0%

92.0%

91.2%

 

30–50%

6.3%

7.5%

7.5%

 

<30%

0.7%

0.5%

1.3%

 

Previous surgery

2.3%

1.7%

1.9%

0.211

EuroSCORE II (%)

1.2 (1.1–2.8)

1.2 (1.1–2.7)

1.2 (1.1–2.8)

0.87

  1. Values are given as median (interquartile range) or percentage
  2. LVEF, left ventricular ejection fraction
  3. *Dialysis or creatinine > 2 mg/dL