Skip to main content

Table 2 Baseline demographic and clinical (OR and ICU) data on transfused (n = 137) and not transfused patients (n = 55).

From: Intra-operative intravenous fluid restriction reduces perioperative red blood cell transfusion in elective cardiac surgery, especially in transfusion-prone patients: a prospective, randomized controlled trial

 

Group Statistics

Independent samples tests

 

Transfusion

Levene's test

t-test for equality of means (equal variances assumed)

  

mean ± SD

Sig.

Sig (2-tailed)

Mean differ.

Std error differ.

96% CI* lower/upper

Age

NO

63.6 ± 9.8

0.007

0.016

-3.09

1.27

-5.59/0.58

 

YES

66.7 ± 7.1

     

Weight

NO

79.3 ± 11.2

0.563

0.020

4.09

1.75

0.64/7.55

 

YES

75.2 ± 10.9

     

Height

NO

171.0 ± 6.2

0.12

0.000

4.94

1.19

2.60/7.29

 

YES

166.1 ± 7.9

     

BMI

NO

27.1 ± 3.2

0.442

0.745

-0.17

0.53

-1.22/0.88

 

YES

27.2 ± 3.4

     

BSA

NO

1.90 ± 0.15

0.949

0.001

0.90

0.02

0.04/0.14

 

YES

1.81 ± 0.16

     

pre-op. Hct

NO

42.1 ± 3.78

0.81

0.000

2.42

0.64

1.16/3.69

 

YES

39.6 ± 4.10

     

discharge Hct

NO

32.8 ± 2.21

0.829

0.586

-1.19

0.35

-0.87/0.49

 

YES

33.0 ± 2.15

     
  1. * Confidence interval of the difference