Table 2 Evaluation of physical function immediately after transfer and 6 months post-surgery (N = 211)

Koval’s grade

6.64 ± 0.50

3.28 ± 1.97

< 0.001

FAC

0.80 ± 1.05

3.56 ± 1.30

< 0.001

FIM-locomotion

1.91 ± 1.39

5.75 ± 1.25

< 0.001

MRMI

17.94 ± 6.67

31.17 ± 11.27

< 0.001

BBS

11.87 ± 12.30

36.69 ± 17.30

< 0.001

4MWT (s)

26.01 ± 15.02

10.15 ± 9.10

< 0.001

K-MMSE

19.58 ± 6.45

19.66 ± 9.35

0.120

GDS

10.86 ± 6.14

6.38 ± 5.90

< 0.001

EQ-5D

0.36 ± 0.17

0.68 ± 0.17

< 0.001

K-MBI

43.58 ± 17.83

77.21 ± 29.95

< 0.001

K-IADL

2.78 ± 0.27

2.03 ± 0.59

< 0.001

K-FRAIL

2.98 ± 0.67

1.74 ± 1.09

< 0.001