Table 4 Postoperative and post-discharge outcomes between the years 2012 and 2016

Variables after PSM

n = 36

n = 16

Euroscore II risk (%)

2.9 (2.2–5.1)

3 (2–4.4)

0.874

Cross-clamp time (minutes)

110 (87–130)

133 (105–149)

0.024

CPB time (minutes)

130 (108–154)

155 (129–172)

0.049

ICU stay (days)

3 (1–6)

7 (4–13)

0.007

Atrial fibrillation

14 (38.9)

6 (37.5)

0.924

Atrial flutter

3 (8.3)

2 (12.5)

0.637

Nodal rhythm

4 (11.1)

4 (25)

0.231

AV block

4 (11.1)

3 (18.8)

0.662

Sick sinus syndrome

1 (2.8)

0 (0)

1

Other SV arrhythmias

5 (13.9)

3 (18.8)

0.689

Antiarrhythmic medication

10 (27.8)

5 (31.3)

1

Electrical cardioversion

3 (8.3)

0 (0)

0.544

Device placement

5 (13.9)

7 (10.1)

1

Blood transfusion

18 (50)

9 (56.3)

0.677

Creatinine (mg/dL)

1.3 (1.2–1.6)

1.3 (1.1–1.6)

0.959

Oral anticoagulation

13 (36.1)

6 (37.5)

0.924

Perioperative mortality

0 (0)

1 (6.3)

0.308

Post-discharge

SV arrhythmia

5 (13.9)

0 (0)

0.308

Device placement

4 (11.1)

0 (0)

0.299

Stroke

0 (0)

0 (0)

-

Valve reintervention

0 (0)

0 (0)

-

Chronic oral anticoagulation

14 (38.9)

6 (37.5)

0.924

Overall mortality

2 (5.6)

1 (6.3)

1