Table 3 Multiple linear regression for Mini-Cog© score and length of stay

Constant

0.51

− 12.71

13.73

0.94

Sex

2.94

0.10

5.77

0.04

Age

0.15

− 0.01

0.31

0.07

Frailty

1.11

− 4.14

6.37

0.68

Mini-Cog© score

− 3.16

− 6.99

0.66

0.11

Surgery

 Open

2.11

− 0.81

5.04

0.16

 Converted

− 1.39

− 8.97

6.19

0.72

ASA grade

0.84

− 2.34

4.02

0.60

Anaerobic threshold

− 0.34

− 0.84

0.16

0.18