Table 2 Operation and postoperative characteristics

CPB (min)

168.82 ± 23.63

150.94 ± 18.83

138.86 ± 17.06

< 0.01

AC (min)

111.44 ± 19.943

101.92 ± 13.124

90.58 ± 10.433

< 0.01

Surgical technique

Annuloplasty ring

49

49

50

> 0.99

Artificial chordae tendineae implantation

34

31

35

0.68

Commissuroplasty

5

7

8

0.67

Leaflet folding

3

5

4

0.93

Cleft suture

2

6

4

0.6

Edge to edge

0

1

0

–

Postoperative chest drainage in the first 24 h (ML)

244.4 ± 114.93

205.4 ± 95.238

129.8 ± 41.477

< 0.01

Mechanical ventilation length (H)

13.26 ± 8.179

11.05 ± 3.709

10.28 ± 3.297

0.022

ICU stay (D)

2.49 ± 1.968

2.08 ± 1.515

1.9 ± 1.099

0.164

Postoperative hospital stays (D)

6.64 ± 1.67527

5.36 ± 1.00529

5.14 ± 1.4287

> 0.01