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Table 1 Patient characteristics.

From: Anterior cervical discectomy with fusion in patients with cervical disc degeneration: a prospective outcome study of 258 patients (181 fused with autologous bone graft and 77 fused with a PEEK cage)

ACDF

Study group

N = 258

Total group

N = 390

p-value

Females - no of patients (%)

114 (44)

178 (46)

0.72prop

Median age (range) - (years)

47.5 (28.3-82.8)

47.7 (26.9- 82.8)

0.73

Levels per procedure - no of patients (%)

   

   One level

152 (59)

240 (61)

0.50

   Two levels

104 (40)

148 (38)

0.55

   Three levels

2 (1)

2 (1)

0.68 0.75χ2

Level - no of patients (%)

   

   C3/C4

7 (3)

7 (2)

0.43

   C4/C5

38 (15)

56 (14)

0.90

   C5/C6

182 (71)

266 (68)

0.53

   C6/C7

137 (53)

207 (53)

0.99

   C7/Th1

2 (1)

6 (2)

0.39 0.85χ2

Method of fusion - no of patients (%)

   

   Autologous bone graft

181 (70)

278 (71)

0.76

   PEEK* cage

77 (30)

112 (29)

0.76 0.76χ2

Symptoms - no of patients (%)

   

   Radiculopathy

206 (80)

309 (79)

0.85

   Radiculopathy and myelopathy

36 (14)

50 (13)

0.86

   Myelopathy

9 (3)

18 (5)

0.48

   No radiculopathy or myelopathy

7 (3)

13 (3)

0.66

Previous ACDF - no of patients (%)

11 (4)

18 (5)

0.83

Previous neck trauma - no of patients (%)

23 (9)

26 (7)

0.29

  1. *Polyetheretherketone