From: Titanium-interlayer mediated hydroxyapatite coating on polyetheretherketone: a prospective study in patients with single-level cervical degenerative disc disease
PEEK/Ti/HA group
PEEK group
P
Age (year)
49.2 ± 5.7
49.0 ± 5.8
0.901
Gender (male/female)
14/10
1.000
Smoker
7/24
5/24
0.740
Operative time (min)
107.2 ± 15.6
108.5 ± 15.5
0.782
Blood loss (mL)
76.8 ± 18.0
74.2 ± 19.7
0.633