Table 4 Saturated propensity score predicting a mean transvalvular gradient after AVR > 20 mmHg

Male gender

1.83

1–3.36

Body height (cm)

0.98

0.93–0.99

Subcoronary implantation technique

11.4

2.59–49.9

Indexed geometric orifice area

0.12

0.05–0.28

Less-experienced surgeon

3.64

2.34–5–66

Ejection fraction (%?)

1.01

1–1.03

Preoperative maximum transvalvular gradient (mmHg)

1.01

0.99–1.02

White blood cell count (cells*1000/μl)

1.11

1.02–1.22

Total serum protein (g/dl)

0.55

0.4–0.77

Glutamic-oxalacetic transaminase (U/l)

0.97

0.93–0.99

Potassium (mmol/l)

0.48

0.29–0.78

Mean corpuscular volume (fl)

1.04

0.99–1.08

Atrial fibrillation

0.6

0.3–1.2

Chronic pulmonary disease

1.5

0.81–2.75

Renal insufficiency

1.41

0.82–2.41

Peripheral occlusive arterial disease

0.56

0.2–1.56