Table 4 Risk factors for the new neurological deficits

HR (95%CI)

p value

HR (95%CI)

p value

Age

1.00 (0.95–1.04)

0.909

Sex

 Female

ref

 Male

0.73 (0.13–4.07)

0.715

Time from diagnosis to GK (months)

0.95 (0.78–1.14)

0.565

Neurological deficits

3.29 (0.58–18.61)

0.179

TV (cc)

0.91 (0.58–1.43)

0.693

Margin dose (Gy)

1.33 (0.67–2.63)

0.419

Multiple lesions at GK

0.63 (0.07–5.62)

0.678

Physical component

0.95 (0.92–0.99)

0.019

0.97 (0.92–1.01)

0.128

Mental component

0.97 (0.95–0.996)

0.019

0.98 (0.96–1.01)

0.125

Location

 Brain stem + deep seated

ref

 Subcortical

0.33 (0.04–2.89)

0.319

Venous abnormality

5.36 (1.02–28.06)

0.047

3.03 (0.59–15.46)

0.183