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Table 1 Demographics and baseline clinical profile

From: The effect of hyperlactatemia timing on the outcomes after cardiac surgery

Variable

Early hyperlactatemia

No

Yes

P value

No. of patients

(253)

(52)

 

Age (years)

54.3 ± 12.8

53.6 ± 14.9

0.79

BSA

1.84 ± 0.29

1.88 ± 0.22

0.45

BMI

29.3 ± 6.6

30.4 ± 7.4

0.32

Female

37.5% (95)

42.3% (22)

0.52

Euro Score ES II

3.5 ± (4.5)

3.6 ± (4.8)

0.94

Diabetes mellitus

51.4% (129)

30% (15)

0.006

Metformin use

24.5% (62)

15.4% (8)

0.15

Hypertension

53.6% (134)

54% (27)

0.96

Creatinine clearance

97.1 ± 38.5

99.8 ± 42.3

0.52

ESRD on dialysis

2.4% (6)

4% (2)

0.50

Operation category

  

0.038

 Isolated CABG

35.2% (89)

23.1% (12)

 

 Isolated valve(s)a

49.2% (124)

50% (26)

 

 Combined CABG + valve(s)a

9.5% (24)

21.2% (11)

 

 Othersb

6% (15)

5.8% (3)

 

Cardioplegia type

  

0.96

 Del Nido

75.8% (191)

75.5% (40)

 

 Cold blood

24.2% (61)

24.5% (13)

 

Atrial Fibrillation

19.1% (48)

22% (11)

0.64

Ejection Fraction

50.1 ± (9.4)

49.4 (9.8)

0.64

Redo surgery (first and multiple)

11.1% (28)

7.7% (4)

0.47

Preoperative TIA or stroke

4% (10)

4% (2)

0.50

Systolic PAP (mmHg)

38.5 ± 17

36.8 ± 15.6

0.57

Hemoglobin (mg/dL)

12.3 ± 2.2

12 ± 1.9

0.40

  1. BSA body surface area, BMI body mass index, MI myocardial infarction, LVEF left ventricular ejection fraction
  2. aThis includes single, double, or triple valve repair and/or replacements
  3. bOthers include aortic root replacement, ascending aorta, or aortic arch interventions such as type A dissection repair, post-myocardial VSD closure, and LV aneurysm repair, among others