Table 3 Postoperative and post-discharge outcomes between the years 2006 and 2011

Variables after PSM

n = 60

n = 53

Euroscore II risk (%)

3.5 (3.5–8)

4.7 (3.5–8.5)

0.235

Cross-clamp time (minutes)

106 (61–134)

100 (69–140)

0.739

CPB time (minutes)

123 (93–160)

135 (96–160)

0.372

ICU stay (days)

3 (1–6)

4 (2–10)

0.04

Atrial fibrillation

19 (31.7)

19 (35.8)

0.639

Atrial flutter

2 (3.3)

2 (3.8)

1

Nodal rhythm

6 (10)

14 (26.4)

0.023

AV block

1 (1.7)

4 (7.5)

0.185

Sick sinus syndrome

0 (0)

0 (0)

–

Other SV arrhythmias

0 (0)

4 (7.5)

0.045

Antiarrhythmic medication

17 (28.3)

14 (26.4)

0.82

Electrical cardioversion

2 (3.3)

4 (7.5)

0.417

Device placement

2 (3.3)

5 (9.4)

0.25

Blood transfusion

36 (60)

39 (73.6)

0.127

Creatinine (mg/dL)

1.3 (1.1–1.6)

1.3 (1–1.6)

0.666

Oral anticoagulation

15 (25)

9 (17)

0.298

Perioperative mortality

4 (6.7)

6 (11.3)

0.511

Post-discharge

SV arrhythmia

1 (1.7)

3 (5.7)

0.466

Device placement

1 (1.7)

3 (5.7)

0.466

Stroke

2 (3.3)

1 (1.9)

1

Valve reintervention

3 (5)

4 (7.5)

0.597

Chronic oral anticoagulation

15 (25)

10 (18.9)

0.433

Overall mortality

6 (10)

9 (17)

0.275