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Table 1 Comparing patient characteristics between the JOA score improved and non-improved groups

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 = 31)

Non-improved (n = 73)

P value

Median

IQR

Median

IQR

Age

62

51–69

70

63–77.5

0.003

Sex (males/females)

20/11

55/19

0.262

BMI (kg/m2)

23.8

19.8–25.1

23.3

20.3–26.1

0.934

Disease duration (mo)

7

2–39

19

6.3–39.5

0.0275

Hospitalization period

14

13–18

14

13–16

0.742

ΔHand grip strength (kg)

2.5

− 2.4–.5

0

− 3.8–1.9

0.001

ΔSTEF

5

1–11

1

− 1.5–4

0.0007

Δ10m walking test (s)

0

− 0.9–0

0

− 0.5–0.4

0.487

ΔTUG (s)

0

− 0.6–0

0

− 0.7–0.3

0.486

ΔOne-leg standing test (s)

0

0–9.3

0

0–1.5

0.178

  1. IQR interquartile range, BMI body mass index, CSM cervical spondylotic myelopathy, STEF Simple Test for Evaluating Hand Function, TUG timed up and go test