Table 4 Comparison of postoperative variables.

From: Surgical outcomes of acute type A aortic dissection in dialysis patients: lessons learned from a single-center’s experience

Variables

Total (n = 882)

Overall cohort

PSM Cohort

Non-dialysis (n = 866)

Dialysis (n = 16)

P Value

Non-dialysis (n = 16)

Dialysis (n = 16)

P Value

Postoperative complications (%)

Re-exploration for bleeding (%)

33 (3.7)

33 (3.8)

0 (0)

1.000

4 (25.0)

0 (0)

0.101

Dialysis (%)

148 (16.8)

132 (15.2)

16 (100.0)

 < 0.001

8 (50.0)

16 (100.0)

0.002

Stroke (%)

69 (7.8)

68 (7.9)

1 (6.3)

1.000

0 (0)

1 (6.3)

1.000

Paraplegia (%)

29 (3.3)

28 (3.2)

1 (6.3)

0.417

0 (0)

1 (6.3)

1.000

Re-intubation (%)

37 (4.2)

34 (3.9)

3 (18.8)

0.026

2 (12.5)

3 (18.8)

1.000

Tracheostomy (%)

36 (4.1)

35 (4.0)

1 (6.3)

0.490

1 (6.3)

1 (6.3)

1.000

Deep sternal wound infection (%)

13 (1.5)

12 (1.4)

1 (6.3)

0.213

1 (6.3)

1 (6.3)

1.000

Sepsis (%)

8 (0.9)

8 (0.9)

0 (0)

1.000

1 (6.3)

0 (0)

1.000

Intracranial hemorrhage (%)

6 (0.7)

5 (0.6)

1 (6.3)

0.104

1 (6.3)

1 (6.3)

1.000

Gastrointestinal bleeding (%)

4 (0.5)

4 (0.5)

0 (0)

1.000

1 (6.3)

0 (0)

1.000

Drainage volume 24 h after surgery (ml)

520.0 (300.0, 869.5)

510.0 (300.0, 864.5)

680.0 (602.5, 1042.5)

0.033

520.0 (345.0, 835.0)

680.0 (602.5, 1042.5)

0.051

Ventilation time (hour)

17.0 (11.0, 43.0)

17.0 (11.0, 43.0)

33.0 (14.6, 60.6)

0.046

61.5 (16.8, 146.8)

33.0 (14.6, 60.6)

0.269

ICU Stay time (day)

4.0 (3.0, 7.0)

4.0 (3.0, 7.0)

6.5 (4.3, 9.0)

0.083

8.0 (6.0, 12.0)

6.5 (4.3, 9.0)

0.196

Hospital stay time (day)

20.9 ± 12.1

21.0 ± 12.2

18.4 ± 11.5

0.279

27.5 (10.8, 35.8)

17.5 (9.3, 21.3)

0.086

30-Day mortality (%)

101 (11.5)

99 (11.4)

2 (12.5)

0.704

2 (12.5)

2 (12.5)

1.000

  1. Values for categorial variables are given as count (percentage); values for continuous variables are given as median (interquartile range) or mean ± standard deviation.
  2. ICU intensive care unit, PSM propensity score matching.