From: Complications and long-term outcomes after open surgery for traumatic subaxial cervical spine fractures: a consecutive series of 303 patients
HR
95 % CI
p-value
Age
1.09
1.06, 1.13
<0.001
HISS
3–4
ref
1–2
0.11
0.02, 0.57
0.008
AIS presurgery
A
B
0.19
0.02, 1.69
0.137
C
0.16
0.02, 1.30
0.087
D
0.22
0.06, 0.75
0.015
E
0.18
0.06, 0.55
0.023