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Table 2 Comparison of STEF and grip strength of patients ≥ 67 to those of patients < 67 years of age

From: Changes of improvement in upper limb function predict surgical outcome after laminoplasty in 1 year in patients with cervical spondylotic myelopathy: a retrospective study

 

Improved (n = 9)

Non-improved (n = 51)

P value

Median

IQR

Median

IQR

≥ 67 years

ΔHand grip strength (kg)

2.3

0.25–6.7

0.2

− 1.2–2.0

0.0855

ΔSTEF

12

3.5–16

1

− 2.0–4.5

0.0041

 

Improved (n = 22)

Non-improved (n = 22)

P value

Median

IQR

Median

IQR

< 67 years

ΔHand grip strength (kg)

2.8

0–5.9

0

− 3.2–1.7

0.0019

ΔSTEF

5

1.0–10.5

0

− 1.0–4.0

0.0085

  1. IQR interquartile range, STEF Simple Test for Evaluating Hand Function