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Table 4 Postoperative outcomes (n = 354)

From: Mild volume acute normovolemic hemodilution is associated with lower intraoperative transfusion and postoperative pulmonary infection in patients undergoing cardiac surgery -- a retrospective, propensity matching study

Outcomes

Propensity-matched

 

ANH

Non-ANH

p valve

Pulmonary infection

 no

329 (93.2%)

313 (88.7%)

 

 yes

24 (6.8%)

40 (11.3%)

0.036

Death

 no

350 (99.2%)

351 (99.4%)

 

 yes

3 (0.8%)

2 (0.6%)

1.000#

Prolonged wound healing

 no

332 (94.1%)

341 (96.6%)

 

 yes

21 (5.9%)

12 (3.4%)

0.109

Stroke

 no

352 (99.7%)

350 (99.2%)

 

 yes

1 (0.3%)

3 (0.8%)

0.624#

AF

 no

237 (86.8%)

233 (85.7%)

 

 yes

36 (13.2%)

39 (14.3%)

0.696

Resternotomy for postoperative bleeding

 no

349 (98.9%)

350 (99.2%)

 

 yes

4 (1.1%)

3 (0.8%)

1.000#

AKI

 no

245 (74.0%)

241 (74.6%)

 

 yes

86 (26.0%)

82 (25.4%)

0.862

 Stage1

63 (73.3%)

59 (71.9%)

 

 Stage2

15 (17.4%)

18 (22.0%)

 

 Stage3

8 (9.3%)

5 (6.1%)

 

Ventilation [mean (SD); hours]

17 ± 21

19 ± 29

0.239

ICU [mean (SD); days]

4.4 ± 2.4

4.2 ± 3.1

0.254

LOS [mean (SD); days]

12 ± 9

12 ± 10

0.708

  1. AF atrial fibrillation, AKI acute kidney injury, ANH acute normovolemic hemodilution, ICU intensive care unit, LOS length of hospital stay