Table 6 Significance levels (p-values) for three types of factor analysis.

From: Heart transplantation: comparing the impact of modified heart preservation with conventional methods

Variable name

Degrees of freedom

Wald chi-square

p-value

Group

1

0.085

0.771

Diagnostic classification

3

21.21

< 0.0001

Recipient age

3

35.28

< 0.0001

Donor age

2

4.868

0.088

Recipient BMI

3

0.551

0.908

Donor BMI

3

5.399

0.145

Preoperative echocardiography EF (M-mode)

1

0.028

0.868