PEEK Cages versus PMMA Spacers in Anterior Cervical Discectomy: Comparison of Fusion, Subsidence, Sagittal Alignment, and Clinical Outcome with a Minimum 1-Year Follow-Up
Table 1
Selected demographic and clinical data.
PEEK cage
PMMA Sulcem
PMMA Palacos
Overall
(cage versus Sulcem)
(cage versus Palacos)
(Sulcem versus Palacos)
Number of patients
39
37
31
107
Mean age (yr)#
53
57
57
55
0.096
0.130
0.759
Male : female ratio∧
20 : 19
23 : 14
14 : 17
57 : 50
0.364
0.638
0.222
One level : two level ratio∧
27 : 12
25 : 12
21 : 10
73 : 34
1.000
1.000
1.000
Radiculopathy∧
31/39
33/37
23/31
87/107
0.348
0.775
0.124
Myelopathy∧
10/39
5/37
10/31
25/107
0.252
0.601
0.082
C3/4†
2
5
5
12
0.265
0.505
0.612
C4/5
8
3
5
16
C5/6
22
25
16
63
C6/7
19
16
15
50
The table shows demographics and clinical data with distribution of surgery levels.
#Student's -test (two-tailed). ∧Fisher exact test (two-tailed). † test.
