Table 4 Risk factor analysis predicting transient and permanant cranial nerve palsy

Shamblin class

 Class I

 Class II

 Class III

Reference

2.50 (0.16–38.60)

0.63 (0.09–4.22)

0.512

0.630

Estimated blood loss

1.025 (1.003–1.048)

0.025

Proximal extent of the tumor

 Above C2 body

 At the C2 body

 Below C2 body

2.40 (0.29–19.78)

0.80 (0.06–11.29)

Reference

0.416

0.869

Tumor size

1.04 (0.967–1.120)

0.292