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Table 3 Postoperative characteristics of patients and pulmonary complications according to the study groups after matching

From: Incidence of postoperative pulmonary complications in patients undergoing minimally invasive versus median sternotomy valve surgery: propensity score matching

 

Overall patients after propensity score-matching

Patients after propensity score-matching

Mitral valve

Aortic valve

Variables

MIVS

FS

p value

Minimally invasive

FS

p value

Minimally invasive

FS

p value

n = 74

n = 74

n = 42

n = 42

n = 29

n = 29

In Hospital mortality

1 (1.4)

2 (2.7)

0.513

0 (0.0)

4 (9.5)

0.040

2 (6.9)

3 (10.3)

0.640

Stroke

1 (1.4)

4 (5.4)

0.172

0.0

0.0

1 (3.4)

2 (6.9)

0.553

Pulmonary complications

14 (19)

51 (69)

0.0001

13 (31.0)

38 (90.5)

0.0001

12 (41.4)

23 (79.3)

0.003

pneumonia

2 (2.7)

4 (5.4)

0.405

1 (2.4)

0 (0.0)

0.314

0 (0.0)

0 (0.0)

pneumothorax

1 (1.4)

4 (5.4)

0.172

0.0

0.0

1 (3.4)

4 (13.8)

0.160

Atelectasis

4 (5.4)

12 (16.2)

0.034

5 (11.9)

13 (31.0)

0.033

2 (6.9)

12 (41.4)

0.002

phrenic nerve injury

1 (1.4)

3 (4.1)

0.311

1 (2.4)

0 (0.0)

0.314

0 (0.0)

1 (3.4)

0.313

pleural effusion

3 (4.1)

10 (13.5)

0.042

2 (4.8)

4 (9.5)

0.397

1 (50.0)

1 (50.0)

1.000

Pulmonary infection

3 (4.1)

16 (21.6)

0.001

1 (2.4)

6 (14.3)

0.048

2 (6.9)

1 (3.4)

0.553

Tracheostomy

0 (0.0)

2 (2.7)

0.154

0 (0.0)

3 (7.1)

0.078

1 (3.4)

0 (0.0)

0.313

  1. Continuous variables are described by mean ± SD and by media, and categorical variables are shown as n = number of patients and %