From: Comparison of the PEEK cage and an autologous cage made from the lumbar spinous process and laminae in posterior lumbar interbody fusion
Excellent
Good
Fair
Poor
Group A
18 (51.4 %)
12 (34.3 %)
5 (14.3 %)
0
Group B
19 (55.9 %)
11 (32.3 %)
4 (11.8 %)
p-value
NS