Table 2 Preoperative and postoperative radiologic and clinical parameters.

From: Hand grip strength as a surrogate marker for postoperative changes in spinopelvic alignment in patients with lumbar spinal stenosis

Parameters

Preoperative

Postoperative

P value

SVA

51.1 ± 43.0

44.2 ± 42.8

0.133

LL

35.9 ± 15.3

37.6 ± 15.1

0.149

PT

22.1 ± 8.2

22.8 ± 9.6

0.329

SS

33.0 ± 9.0

31.7 ± 9.5

0.177

PI

55.1 ± 11.5

54.6 ± 10.0

0.575

PI-LL

19.2 ± 15.6

17.0 ± 14.9

0.111

TK

17.5 ± 9.3

18.8 ± 10.8

0.057

TLK

9.6 ± 7.3

8.9 ± 6.7

0.144

GT

27.4 ± 10.8

27.3 ± 13.4

0.964

T1PA

22.9 ± 9.4

22.5 ± 11.1

0.682

History of falling

1.0 ± 2.4

1.1 ± 6.2

0.902

TUGT

16.3 ± 7.3

12.0 ± 4.8

 < 0.001*

STS

20.5 ± 6.7

16.4 ± 6.3

 < 0.001*

SMT

12.3 ± 6.1

9.4 ± 4.8

 < 0.001*

SVA

51.1 ± 43.0

44.2 ± 42.8

0.133

  1. SVA sagittal vertical axis, LL lumbar lordosis, PT pelvic tilt, SS sacral slope, PI pelvic incidence, PI-LL pelvic incidence minus lumbar lordosis, TK thoracic kyphosis, TLK thoracolumbar kyphosis, GT global tilt, T1PA T1 pelvic angle, TUGT timed up and go test, STS sit-to-stand test, SMT 6-m walk test.
  2. * means P value is within 0.05
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