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Table 4 Comparison results of active contact coordinates in AC-PC space in different motor symptom improvement rate groups [M (IQR), mm]

From: Relationship between electrode position of deep brain stimulation and motor symptoms of Parkinson’s disease

Group

Number of cases

Left

Right

X

Y

Z

X

Y

Z

Improvement rates < 25% group

5

−10.8 (1.6)

−1.7 (3.2)

−4.5 (0.4)

11.5 (1.6)

−1.9 (2.0)

−4.8 (1.2)

Improvement rates 25–50% group

11

−11.7 (3.2)

− 1.5 (2.5)

− 4.3 (1.9)

11.6 (2.4)

−1.9 (1.2)

− 4.3 (1.5)

Improvement rates > 50% group

41

−11.7 (2.1)

− 1.8 (1.6)

−3.7 (1.6)

12.3 (1.8)

− 1.7 (2.1)

− 3.8 (1.2)

Kruskal-Wallis χ2

 

1.888

0.529

1.970

1.039

0.194

3.847

P

 

0.389

0.768

0.373

0.595

0.908

0.146